Home / 1,517.04-2,280.60-1,245.15

Finding the Fourth Proportional to 1,517.04, 2,280.60 and 1,245.15

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Solution

The fourth proportional to 1,517.04, 2,280.60 and 1,245.15 is: 1,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.04 : 2,280.60 = 1,245.15 : x
  2. Step 2: Convert to fraction form
    1,517.04/2,280.60 = 1,245.15/x
  3. Step 3: Cross multiply
    1,517.04x = 2,280.60 × 1,245.15
  4. Step 4: Simplify right side
    1,517.04x = 2,839,689.09
  5. Step 5: Solve for x
    x = 2,839,689.09/1,517.04
  6. Step 6: Final answer
    x = 1,871.86

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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.