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Finding the Fourth Proportional to 1,366.57, 2,049.86 and 1,133.29

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Solution

The fourth proportional to 1,366.57, 2,049.86 and 1,133.29 is: 1,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.57 : 2,049.86 = 1,133.29 : x
  2. Step 2: Convert to fraction form
    1,366.57/2,049.86 = 1,133.29/x
  3. Step 3: Cross multiply
    1,366.57x = 2,049.86 × 1,133.29
  4. Step 4: Simplify right side
    1,366.57x = 2,323,084.86
  5. Step 5: Solve for x
    x = 2,323,084.86/1,366.57
  6. Step 6: Final answer
    x = 1,699.94

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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.