Home / 3,559.96-5,339.76-1,251.28

Finding the Fourth Proportional to 3,559.96, 5,339.76 and 1,251.28

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Solution

The fourth proportional to 3,559.96, 5,339.76 and 1,251.28 is: 1,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.96 : 5,339.76 = 1,251.28 : x
  2. Step 2: Convert to fraction form
    3,559.96/5,339.76 = 1,251.28/x
  3. Step 3: Cross multiply
    3,559.96x = 5,339.76 × 1,251.28
  4. Step 4: Simplify right side
    3,559.96x = 6,681,534.89
  5. Step 5: Solve for x
    x = 6,681,534.89/3,559.96
  6. Step 6: Final answer
    x = 1,876.86

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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.