Home / 3,437.31-5,156.85-1,589.75

Finding the Fourth Proportional to 3,437.31, 5,156.85 and 1,589.75

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Solution

The fourth proportional to 3,437.31, 5,156.85 and 1,589.75 is: 2,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.31 : 5,156.85 = 1,589.75 : x
  2. Step 2: Convert to fraction form
    3,437.31/5,156.85 = 1,589.75/x
  3. Step 3: Cross multiply
    3,437.31x = 5,156.85 × 1,589.75
  4. Step 4: Simplify right side
    3,437.31x = 8,198,102.29
  5. Step 5: Solve for x
    x = 8,198,102.29/3,437.31
  6. Step 6: Final answer
    x = 2,385.03

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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.