Home / 1,366.47-2,049.71-1,161.95

Finding the Fourth Proportional to 1,366.47, 2,049.71 and 1,161.95

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Solution

The fourth proportional to 1,366.47, 2,049.71 and 1,161.95 is: 1,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.47 : 2,049.71 = 1,161.95 : x
  2. Step 2: Convert to fraction form
    1,366.47/2,049.71 = 1,161.95/x
  3. Step 3: Cross multiply
    1,366.47x = 2,049.71 × 1,161.95
  4. Step 4: Simplify right side
    1,366.47x = 2,381,644.48
  5. Step 5: Solve for x
    x = 2,381,644.48/1,366.47
  6. Step 6: Final answer
    x = 1,742.92

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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.