Home / 1,452.78-2,000.32-1,266.28

Finding the Fourth Proportional to 1,452.78, 2,000.32 and 1,266.28

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Solution

The fourth proportional to 1,452.78, 2,000.32 and 1,266.28 is: 1,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.78 : 2,000.32 = 1,266.28 : x
  2. Step 2: Convert to fraction form
    1,452.78/2,000.32 = 1,266.28/x
  3. Step 3: Cross multiply
    1,452.78x = 2,000.32 × 1,266.28
  4. Step 4: Simplify right side
    1,452.78x = 2,532,957.04
  5. Step 5: Solve for x
    x = 2,532,957.04/1,452.78
  6. Step 6: Final answer
    x = 1,743.52

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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.