Home / 3,099.54-4,277.36-1,683.23

Finding the Fourth Proportional to 3,099.54, 4,277.36 and 1,683.23

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Solution

The fourth proportional to 3,099.54, 4,277.36 and 1,683.23 is: 2,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.54 : 4,277.36 = 1,683.23 : x
  2. Step 2: Convert to fraction form
    3,099.54/4,277.36 = 1,683.23/x
  3. Step 3: Cross multiply
    3,099.54x = 4,277.36 × 1,683.23
  4. Step 4: Simplify right side
    3,099.54x = 7,199,780.67
  5. Step 5: Solve for x
    x = 7,199,780.67/3,099.54
  6. Step 6: Final answer
    x = 2,322.85

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Half scale
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Double scale
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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.