Home / 3,721.10-5,575.08-2,257.28

Finding the Fourth Proportional to 3,721.10, 5,575.08 and 2,257.28

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Solution

The fourth proportional to 3,721.10, 5,575.08 and 2,257.28 is: 3,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.10 : 5,575.08 = 2,257.28 : x
  2. Step 2: Convert to fraction form
    3,721.10/5,575.08 = 2,257.28/x
  3. Step 3: Cross multiply
    3,721.10x = 5,575.08 × 2,257.28
  4. Step 4: Simplify right side
    3,721.10x = 12,584,516.58
  5. Step 5: Solve for x
    x = 12,584,516.58/3,721.10
  6. Step 6: Final answer
    x = 3,381.93

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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.