Home / 3,887.91-5,830.65-1,422.27

Finding the Fourth Proportional to 3,887.91, 5,830.65 and 1,422.27

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Solution

The fourth proportional to 3,887.91, 5,830.65 and 1,422.27 is: 2,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.91 : 5,830.65 = 1,422.27 : x
  2. Step 2: Convert to fraction form
    3,887.91/5,830.65 = 1,422.27/x
  3. Step 3: Cross multiply
    3,887.91x = 5,830.65 × 1,422.27
  4. Step 4: Simplify right side
    3,887.91x = 8,292,758.58
  5. Step 5: Solve for x
    x = 8,292,758.58/3,887.91
  6. Step 6: Final answer
    x = 2,132.96

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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.