Home / 3,081.50-4,252.47-1,684.25

Finding the Fourth Proportional to 3,081.50, 4,252.47 and 1,684.25

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Solution

The fourth proportional to 3,081.50, 4,252.47 and 1,684.25 is: 2,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.50 : 4,252.47 = 1,684.25 : x
  2. Step 2: Convert to fraction form
    3,081.50/4,252.47 = 1,684.25/x
  3. Step 3: Cross multiply
    3,081.50x = 4,252.47 × 1,684.25
  4. Step 4: Simplify right side
    3,081.50x = 7,162,222.60
  5. Step 5: Solve for x
    x = 7,162,222.60/3,081.50
  6. Step 6: Final answer
    x = 2,324.27

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,082.50, 4,253.85 and 1,685.25
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.