Home / 1,691.28-2,335.56-1,599.24

Finding the Fourth Proportional to 1,691.28, 2,335.56 and 1,599.24

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Solution

The fourth proportional to 1,691.28, 2,335.56 and 1,599.24 is: 2,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.28 : 2,335.56 = 1,599.24 : x
  2. Step 2: Convert to fraction form
    1,691.28/2,335.56 = 1,599.24/x
  3. Step 3: Cross multiply
    1,691.28x = 2,335.56 × 1,599.24
  4. Step 4: Simplify right side
    1,691.28x = 3,735,120.97
  5. Step 5: Solve for x
    x = 3,735,120.97/1,691.28
  6. Step 6: Final answer
    x = 2,208.46

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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.