Home / 3,539.24-5,309.18-1,458.76

Finding the Fourth Proportional to 3,539.24, 5,309.18 and 1,458.76

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Solution

The fourth proportional to 3,539.24, 5,309.18 and 1,458.76 is: 2,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.24 : 5,309.18 = 1,458.76 : x
  2. Step 2: Convert to fraction form
    3,539.24/5,309.18 = 1,458.76/x
  3. Step 3: Cross multiply
    3,539.24x = 5,309.18 × 1,458.76
  4. Step 4: Simplify right side
    3,539.24x = 7,744,819.42
  5. Step 5: Solve for x
    x = 7,744,819.42/3,539.24
  6. Step 6: Final answer
    x = 2,188.27

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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.