Home / 1,366.13-2,049.40-441.52

Finding the Fourth Proportional to 1,366.13, 2,049.40 and 441.52

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Solution

The fourth proportional to 1,366.13, 2,049.40 and 441.52 is: 662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.13 : 2,049.40 = 441.52 : x
  2. Step 2: Convert to fraction form
    1,366.13/2,049.40 = 441.52/x
  3. Step 3: Cross multiply
    1,366.13x = 2,049.40 × 441.52
  4. Step 4: Simplify right side
    1,366.13x = 904,851.09
  5. Step 5: Solve for x
    x = 904,851.09/1,366.13
  6. Step 6: Final answer
    x = 662.35

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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.