Home / 1,512.20-2,263.49-1,454.79

Finding the Fourth Proportional to 1,512.20, 2,263.49 and 1,454.79

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Solution

The fourth proportional to 1,512.20, 2,263.49 and 1,454.79 is: 2,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.20 : 2,263.49 = 1,454.79 : x
  2. Step 2: Convert to fraction form
    1,512.20/2,263.49 = 1,454.79/x
  3. Step 3: Cross multiply
    1,512.20x = 2,263.49 × 1,454.79
  4. Step 4: Simplify right side
    1,512.20x = 3,292,895.34
  5. Step 5: Solve for x
    x = 3,292,895.34/1,512.20
  6. Step 6: Final answer
    x = 2,177.56

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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.