Home / 3,897.60-5,844.61-1,432.43

Finding the Fourth Proportional to 3,897.60, 5,844.61 and 1,432.43

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Solution

The fourth proportional to 3,897.60, 5,844.61 and 1,432.43 is: 2,147.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.60 : 5,844.61 = 1,432.43 : x
  2. Step 2: Convert to fraction form
    3,897.60/5,844.61 = 1,432.43/x
  3. Step 3: Cross multiply
    3,897.60x = 5,844.61 × 1,432.43
  4. Step 4: Simplify right side
    3,897.60x = 8,372,026.09
  5. Step 5: Solve for x
    x = 8,372,026.09/3,897.60
  6. Step 6: Final answer
    x = 2,147.99

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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.