Home / 3,432.42-5,145.84-1,582.56

Finding the Fourth Proportional to 3,432.42, 5,145.84 and 1,582.56

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Solution

The fourth proportional to 3,432.42, 5,145.84 and 1,582.56 is: 2,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.42 : 5,145.84 = 1,582.56 : x
  2. Step 2: Convert to fraction form
    3,432.42/5,145.84 = 1,582.56/x
  3. Step 3: Cross multiply
    3,432.42x = 5,145.84 × 1,582.56
  4. Step 4: Simplify right side
    3,432.42x = 8,143,600.55
  5. Step 5: Solve for x
    x = 8,143,600.55/3,432.42
  6. Step 6: Final answer
    x = 2,372.55

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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.