Home / 2,517.58-3,474.26-1,398.58

Finding the Fourth Proportional to 2,517.58, 3,474.26 and 1,398.58

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Solution

The fourth proportional to 2,517.58, 3,474.26 and 1,398.58 is: 1,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.58 : 3,474.26 = 1,398.58 : x
  2. Step 2: Convert to fraction form
    2,517.58/3,474.26 = 1,398.58/x
  3. Step 3: Cross multiply
    2,517.58x = 3,474.26 × 1,398.58
  4. Step 4: Simplify right side
    2,517.58x = 4,859,030.55
  5. Step 5: Solve for x
    x = 4,859,030.55/2,517.58
  6. Step 6: Final answer
    x = 1,930.04

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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.