Home / 1,452.08-2,002.40-1,292.06

Finding the Fourth Proportional to 1,452.08, 2,002.40 and 1,292.06

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Solution

The fourth proportional to 1,452.08, 2,002.40 and 1,292.06 is: 1,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.08 : 2,002.40 = 1,292.06 : x
  2. Step 2: Convert to fraction form
    1,452.08/2,002.40 = 1,292.06/x
  3. Step 3: Cross multiply
    1,452.08x = 2,002.40 × 1,292.06
  4. Step 4: Simplify right side
    1,452.08x = 2,587,220.94
  5. Step 5: Solve for x
    x = 2,587,220.94/1,452.08
  6. Step 6: Final answer
    x = 1,781.73

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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.