Home / 1,454.60-2,007.78-1,159.76

Finding the Fourth Proportional to 1,454.60, 2,007.78 and 1,159.76

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Solution

The fourth proportional to 1,454.60, 2,007.78 and 1,159.76 is: 1,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.60 : 2,007.78 = 1,159.76 : x
  2. Step 2: Convert to fraction form
    1,454.60/2,007.78 = 1,159.76/x
  3. Step 3: Cross multiply
    1,454.60x = 2,007.78 × 1,159.76
  4. Step 4: Simplify right side
    1,454.60x = 2,328,542.93
  5. Step 5: Solve for x
    x = 2,328,542.93/1,454.60
  6. Step 6: Final answer
    x = 1,600.81

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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.