Home / 2,587.79-3,882.63-1,614.71

Finding the Fourth Proportional to 2,587.79, 3,882.63 and 1,614.71

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Solution

The fourth proportional to 2,587.79, 3,882.63 and 1,614.71 is: 2,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.79 : 3,882.63 = 1,614.71 : x
  2. Step 2: Convert to fraction form
    2,587.79/3,882.63 = 1,614.71/x
  3. Step 3: Cross multiply
    2,587.79x = 3,882.63 × 1,614.71
  4. Step 4: Simplify right side
    2,587.79x = 6,269,321.49
  5. Step 5: Solve for x
    x = 6,269,321.49/2,587.79
  6. Step 6: Final answer
    x = 2,422.65

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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.