Home / 1,454.64-2,008.12-1,122.36

Finding the Fourth Proportional to 1,454.64, 2,008.12 and 1,122.36

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Solution

The fourth proportional to 1,454.64, 2,008.12 and 1,122.36 is: 1,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.64 : 2,008.12 = 1,122.36 : x
  2. Step 2: Convert to fraction form
    1,454.64/2,008.12 = 1,122.36/x
  3. Step 3: Cross multiply
    1,454.64x = 2,008.12 × 1,122.36
  4. Step 4: Simplify right side
    1,454.64x = 2,253,833.56
  5. Step 5: Solve for x
    x = 2,253,833.56/1,454.64
  6. Step 6: Final answer
    x = 1,549.41

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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.