Home / 1,540.17-2,296.40-1,512.47

Finding the Fourth Proportional to 1,540.17, 2,296.40 and 1,512.47

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Solution

The fourth proportional to 1,540.17, 2,296.40 and 1,512.47 is: 2,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.17 : 2,296.40 = 1,512.47 : x
  2. Step 2: Convert to fraction form
    1,540.17/2,296.40 = 1,512.47/x
  3. Step 3: Cross multiply
    1,540.17x = 2,296.40 × 1,512.47
  4. Step 4: Simplify right side
    1,540.17x = 3,473,234.29
  5. Step 5: Solve for x
    x = 3,473,234.29/1,540.17
  6. Step 6: Final answer
    x = 2,255.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.