Home / 3,439.82-5,161.22-1,248.86

Finding the Fourth Proportional to 3,439.82, 5,161.22 and 1,248.86

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Solution

The fourth proportional to 3,439.82, 5,161.22 and 1,248.86 is: 1,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.82 : 5,161.22 = 1,248.86 : x
  2. Step 2: Convert to fraction form
    3,439.82/5,161.22 = 1,248.86/x
  3. Step 3: Cross multiply
    3,439.82x = 5,161.22 × 1,248.86
  4. Step 4: Simplify right side
    3,439.82x = 6,445,641.21
  5. Step 5: Solve for x
    x = 6,445,641.21/3,439.82
  6. Step 6: Final answer
    x = 1,873.83

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1.5x scale

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.