Home / 1,581.47-2,177.48-1,344.95

Finding the Fourth Proportional to 1,581.47, 2,177.48 and 1,344.95

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Solution

The fourth proportional to 1,581.47, 2,177.48 and 1,344.95 is: 1,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.47 : 2,177.48 = 1,344.95 : x
  2. Step 2: Convert to fraction form
    1,581.47/2,177.48 = 1,344.95/x
  3. Step 3: Cross multiply
    1,581.47x = 2,177.48 × 1,344.95
  4. Step 4: Simplify right side
    1,581.47x = 2,928,595.00
  5. Step 5: Solve for x
    x = 2,928,595.00/1,581.47
  6. Step 6: Final answer
    x = 1,851.82

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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.