Home / 3,721.20-5,134.10-2,392.53

Finding the Fourth Proportional to 3,721.20, 5,134.10 and 2,392.53

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Solution

The fourth proportional to 3,721.20, 5,134.10 and 2,392.53 is: 3,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.20 : 5,134.10 = 2,392.53 : x
  2. Step 2: Convert to fraction form
    3,721.20/5,134.10 = 2,392.53/x
  3. Step 3: Cross multiply
    3,721.20x = 5,134.10 × 2,392.53
  4. Step 4: Simplify right side
    3,721.20x = 12,283,476.31
  5. Step 5: Solve for x
    x = 12,283,476.31/3,721.20
  6. Step 6: Final answer
    x = 3,300.94

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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.