Home / 1,540.97-2,309.31-1,335.03

Finding the Fourth Proportional to 1,540.97, 2,309.31 and 1,335.03

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Solution

The fourth proportional to 1,540.97, 2,309.31 and 1,335.03 is: 2,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.97 : 2,309.31 = 1,335.03 : x
  2. Step 2: Convert to fraction form
    1,540.97/2,309.31 = 1,335.03/x
  3. Step 3: Cross multiply
    1,540.97x = 2,309.31 × 1,335.03
  4. Step 4: Simplify right side
    1,540.97x = 3,082,998.13
  5. Step 5: Solve for x
    x = 3,082,998.13/1,540.97
  6. Step 6: Final answer
    x = 2,000.69

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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.