Home / 3,717.29-5,129.66-2,038.60

Finding the Fourth Proportional to 3,717.29, 5,129.66 and 2,038.60

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Solution

The fourth proportional to 3,717.29, 5,129.66 and 2,038.60 is: 2,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.29 : 5,129.66 = 2,038.60 : x
  2. Step 2: Convert to fraction form
    3,717.29/5,129.66 = 2,038.60/x
  3. Step 3: Cross multiply
    3,717.29x = 5,129.66 × 2,038.60
  4. Step 4: Simplify right side
    3,717.29x = 10,457,336.38
  5. Step 5: Solve for x
    x = 10,457,336.38/3,717.29
  6. Step 6: Final answer
    x = 2,813.16

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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.