Home / 3,687.32-5,531.90-2,045.25

Finding the Fourth Proportional to 3,687.32, 5,531.90 and 2,045.25

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Solution

The fourth proportional to 3,687.32, 5,531.90 and 2,045.25 is: 3,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.32 : 5,531.90 = 2,045.25 : x
  2. Step 2: Convert to fraction form
    3,687.32/5,531.90 = 2,045.25/x
  3. Step 3: Cross multiply
    3,687.32x = 5,531.90 × 2,045.25
  4. Step 4: Simplify right side
    3,687.32x = 11,314,108.25
  5. Step 5: Solve for x
    x = 11,314,108.25/3,687.32
  6. Step 6: Final answer
    x = 3,068.38

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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.