Home / 3,073.32-4,608.39-1,098.20

Finding the Fourth Proportional to 3,073.32, 4,608.39 and 1,098.20

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Solution

The fourth proportional to 3,073.32, 4,608.39 and 1,098.20 is: 1,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.32 : 4,608.39 = 1,098.20 : x
  2. Step 2: Convert to fraction form
    3,073.32/4,608.39 = 1,098.20/x
  3. Step 3: Cross multiply
    3,073.32x = 4,608.39 × 1,098.20
  4. Step 4: Simplify right side
    3,073.32x = 5,060,910.86
  5. Step 5: Solve for x
    x = 5,060,910.86/3,073.32
  6. Step 6: Final answer
    x = 1,646.72

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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.