Home / 3,717.30-5,129.68-2,038.42

Finding the Fourth Proportional to 3,717.30, 5,129.68 and 2,038.42

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Solution

The fourth proportional to 3,717.30, 5,129.68 and 2,038.42 is: 2,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.30 : 5,129.68 = 2,038.42 : x
  2. Step 2: Convert to fraction form
    3,717.30/5,129.68 = 2,038.42/x
  3. Step 3: Cross multiply
    3,717.30x = 5,129.68 × 2,038.42
  4. Step 4: Simplify right side
    3,717.30x = 10,456,442.31
  5. Step 5: Solve for x
    x = 10,456,442.31/3,717.30
  6. Step 6: Final answer
    x = 2,812.91

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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.