Home / 2,517.18-3,473.67-1,398.09

Finding the Fourth Proportional to 2,517.18, 3,473.67 and 1,398.09

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Solution

The fourth proportional to 2,517.18, 3,473.67 and 1,398.09 is: 1,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.18 : 3,473.67 = 1,398.09 : x
  2. Step 2: Convert to fraction form
    2,517.18/3,473.67 = 1,398.09/x
  3. Step 3: Cross multiply
    2,517.18x = 3,473.67 × 1,398.09
  4. Step 4: Simplify right side
    2,517.18x = 4,856,513.70
  5. Step 5: Solve for x
    x = 4,856,513.70/2,517.18
  6. Step 6: Final answer
    x = 1,929.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.