Home / 3,432.32-5,145.42-1,240.56

Finding the Fourth Proportional to 3,432.32, 5,145.42 and 1,240.56

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Solution

The fourth proportional to 3,432.32, 5,145.42 and 1,240.56 is: 1,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.32 : 5,145.42 = 1,240.56 : x
  2. Step 2: Convert to fraction form
    3,432.32/5,145.42 = 1,240.56/x
  3. Step 3: Cross multiply
    3,432.32x = 5,145.42 × 1,240.56
  4. Step 4: Simplify right side
    3,432.32x = 6,383,170.31
  5. Step 5: Solve for x
    x = 6,383,170.31/3,432.32
  6. Step 6: Final answer
    x = 1,859.73

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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.