Home / 3,805.16-5,249.51-2,387.88

Finding the Fourth Proportional to 3,805.16, 5,249.51 and 2,387.88

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Solution

The fourth proportional to 3,805.16, 5,249.51 and 2,387.88 is: 3,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.16 : 5,249.51 = 2,387.88 : x
  2. Step 2: Convert to fraction form
    3,805.16/5,249.51 = 2,387.88/x
  3. Step 3: Cross multiply
    3,805.16x = 5,249.51 × 2,387.88
  4. Step 4: Simplify right side
    3,805.16x = 12,535,188.00
  5. Step 5: Solve for x
    x = 12,535,188.00/3,805.16
  6. Step 6: Final answer
    x = 3,294.26

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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.