Home / 1,414.64-2,124.12-1,233.20

Finding the Fourth Proportional to 1,414.64, 2,124.12 and 1,233.20

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Solution

The fourth proportional to 1,414.64, 2,124.12 and 1,233.20 is: 1,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.64 : 2,124.12 = 1,233.20 : x
  2. Step 2: Convert to fraction form
    1,414.64/2,124.12 = 1,233.20/x
  3. Step 3: Cross multiply
    1,414.64x = 2,124.12 × 1,233.20
  4. Step 4: Simplify right side
    1,414.64x = 2,619,464.78
  5. Step 5: Solve for x
    x = 2,619,464.78/1,414.64
  6. Step 6: Final answer
    x = 1,851.68

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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.