Home / 3,972.81-5,948.49-2,490.26

Finding the Fourth Proportional to 3,972.81, 5,948.49 and 2,490.26

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Solution

The fourth proportional to 3,972.81, 5,948.49 and 2,490.26 is: 3,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.81 : 5,948.49 = 2,490.26 : x
  2. Step 2: Convert to fraction form
    3,972.81/5,948.49 = 2,490.26/x
  3. Step 3: Cross multiply
    3,972.81x = 5,948.49 × 2,490.26
  4. Step 4: Simplify right side
    3,972.81x = 14,813,260.66
  5. Step 5: Solve for x
    x = 14,813,260.66/3,972.81
  6. Step 6: Final answer
    x = 3,728.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.