Home / 2,517.84-3,474.62-1,398.96

Finding the Fourth Proportional to 2,517.84, 3,474.62 and 1,398.96

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Solution

The fourth proportional to 2,517.84, 3,474.62 and 1,398.96 is: 1,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.84 : 3,474.62 = 1,398.96 : x
  2. Step 2: Convert to fraction form
    2,517.84/3,474.62 = 1,398.96/x
  3. Step 3: Cross multiply
    2,517.84x = 3,474.62 × 1,398.96
  4. Step 4: Simplify right side
    2,517.84x = 4,860,854.40
  5. Step 5: Solve for x
    x = 4,860,854.40/2,517.84
  6. Step 6: Final answer
    x = 1,930.57

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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.