Home / 1,344.38-2,006.59-1,158.48

Finding the Fourth Proportional to 1,344.38, 2,006.59 and 1,158.48

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Solution

The fourth proportional to 1,344.38, 2,006.59 and 1,158.48 is: 1,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.38 : 2,006.59 = 1,158.48 : x
  2. Step 2: Convert to fraction form
    1,344.38/2,006.59 = 1,158.48/x
  3. Step 3: Cross multiply
    1,344.38x = 2,006.59 × 1,158.48
  4. Step 4: Simplify right side
    1,344.38x = 2,324,594.38
  5. Step 5: Solve for x
    x = 2,324,594.38/1,344.38
  6. Step 6: Final answer
    x = 1,729.12

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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.