Home / 2,207.80-3,043.56-1,542.59

Finding the Fourth Proportional to 2,207.80, 3,043.56 and 1,542.59

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Solution

The fourth proportional to 2,207.80, 3,043.56 and 1,542.59 is: 2,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.80 : 3,043.56 = 1,542.59 : x
  2. Step 2: Convert to fraction form
    2,207.80/3,043.56 = 1,542.59/x
  3. Step 3: Cross multiply
    2,207.80x = 3,043.56 × 1,542.59
  4. Step 4: Simplify right side
    2,207.80x = 4,694,958.52
  5. Step 5: Solve for x
    x = 4,694,958.52/2,207.80
  6. Step 6: Final answer
    x = 2,126.53

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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.