Home / 2,683.36-3,704.76-2,187.18

Finding the Fourth Proportional to 2,683.36, 3,704.76 and 2,187.18

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Solution

The fourth proportional to 2,683.36, 3,704.76 and 2,187.18 is: 3,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.36 : 3,704.76 = 2,187.18 : x
  2. Step 2: Convert to fraction form
    2,683.36/3,704.76 = 2,187.18/x
  3. Step 3: Cross multiply
    2,683.36x = 3,704.76 × 2,187.18
  4. Step 4: Simplify right side
    2,683.36x = 8,102,966.04
  5. Step 5: Solve for x
    x = 8,102,966.04/2,683.36
  6. Step 6: Final answer
    x = 3,019.71

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Find fourth proportional to 1,341.68, 1,852.38 and 1,093.59
Half scale
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Double scale
Find fourth proportional to 2,684.36, 3,706.14 and 2,188.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.