Home / 3,398.22-5,098.41-1,207.71

Finding the Fourth Proportional to 3,398.22, 5,098.41 and 1,207.71

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Solution

The fourth proportional to 3,398.22, 5,098.41 and 1,207.71 is: 1,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.22 : 5,098.41 = 1,207.71 : x
  2. Step 2: Convert to fraction form
    3,398.22/5,098.41 = 1,207.71/x
  3. Step 3: Cross multiply
    3,398.22x = 5,098.41 × 1,207.71
  4. Step 4: Simplify right side
    3,398.22x = 6,157,400.74
  5. Step 5: Solve for x
    x = 6,157,400.74/3,398.22
  6. Step 6: Final answer
    x = 1,811.95

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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.