Home / 3,643.86-5,026.68-2,387.02

Finding the Fourth Proportional to 3,643.86, 5,026.68 and 2,387.02

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Solution

The fourth proportional to 3,643.86, 5,026.68 and 2,387.02 is: 3,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.86 : 5,026.68 = 2,387.02 : x
  2. Step 2: Convert to fraction form
    3,643.86/5,026.68 = 2,387.02/x
  3. Step 3: Cross multiply
    3,643.86x = 5,026.68 × 2,387.02
  4. Step 4: Simplify right side
    3,643.86x = 11,998,789.27
  5. Step 5: Solve for x
    x = 11,998,789.27/3,643.86
  6. Step 6: Final answer
    x = 3,292.88

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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.