Home / 3,717.19-5,129.70-2,038.55

Finding the Fourth Proportional to 3,717.19, 5,129.70 and 2,038.55

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Solution

The fourth proportional to 3,717.19, 5,129.70 and 2,038.55 is: 2,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.19 : 5,129.70 = 2,038.55 : x
  2. Step 2: Convert to fraction form
    3,717.19/5,129.70 = 2,038.55/x
  3. Step 3: Cross multiply
    3,717.19x = 5,129.70 × 2,038.55
  4. Step 4: Simplify right side
    3,717.19x = 10,457,149.94
  5. Step 5: Solve for x
    x = 10,457,149.94/3,717.19
  6. Step 6: Final answer
    x = 2,813.19

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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.