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Finding the Fourth Proportional to 1,344.88, 2,008.19 and 1,179.10

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Solution

The fourth proportional to 1,344.88, 2,008.19 and 1,179.10 is: 1,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.88 : 2,008.19 = 1,179.10 : x
  2. Step 2: Convert to fraction form
    1,344.88/2,008.19 = 1,179.10/x
  3. Step 3: Cross multiply
    1,344.88x = 2,008.19 × 1,179.10
  4. Step 4: Simplify right side
    1,344.88x = 2,367,856.83
  5. Step 5: Solve for x
    x = 2,367,856.83/1,344.88
  6. Step 6: Final answer
    x = 1,760.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.