Home / 3,902.94-5,389.67-2,508.14

Finding the Fourth Proportional to 3,902.94, 5,389.67 and 2,508.14

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Solution

The fourth proportional to 3,902.94, 5,389.67 and 2,508.14 is: 3,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.94 : 5,389.67 = 2,508.14 : x
  2. Step 2: Convert to fraction form
    3,902.94/5,389.67 = 2,508.14/x
  3. Step 3: Cross multiply
    3,902.94x = 5,389.67 × 2,508.14
  4. Step 4: Simplify right side
    3,902.94x = 13,518,046.91
  5. Step 5: Solve for x
    x = 13,518,046.91/3,902.94
  6. Step 6: Final answer
    x = 3,463.55

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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.