Home / 1,332.15-1,837.41-1,154.79

Finding the Fourth Proportional to 1,332.15, 1,837.41 and 1,154.79

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Solution

The fourth proportional to 1,332.15, 1,837.41 and 1,154.79 is: 1,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.15 : 1,837.41 = 1,154.79 : x
  2. Step 2: Convert to fraction form
    1,332.15/1,837.41 = 1,154.79/x
  3. Step 3: Cross multiply
    1,332.15x = 1,837.41 × 1,154.79
  4. Step 4: Simplify right side
    1,332.15x = 2,121,822.69
  5. Step 5: Solve for x
    x = 2,121,822.69/1,332.15
  6. Step 6: Final answer
    x = 1,592.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.