Home / 1,508.23-2,066.31-1,449.91

Finding the Fourth Proportional to 1,508.23, 2,066.31 and 1,449.91

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Solution

The fourth proportional to 1,508.23, 2,066.31 and 1,449.91 is: 1,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.23 : 2,066.31 = 1,449.91 : x
  2. Step 2: Convert to fraction form
    1,508.23/2,066.31 = 1,449.91/x
  3. Step 3: Cross multiply
    1,508.23x = 2,066.31 × 1,449.91
  4. Step 4: Simplify right side
    1,508.23x = 2,995,963.53
  5. Step 5: Solve for x
    x = 2,995,963.53/1,508.23
  6. Step 6: Final answer
    x = 1,986.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.