Home / 3,169.97-4,374.56-1,772.72

Finding the Fourth Proportional to 3,169.97, 4,374.56 and 1,772.72

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Solution

The fourth proportional to 3,169.97, 4,374.56 and 1,772.72 is: 2,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.97 : 4,374.56 = 1,772.72 : x
  2. Step 2: Convert to fraction form
    3,169.97/4,374.56 = 1,772.72/x
  3. Step 3: Cross multiply
    3,169.97x = 4,374.56 × 1,772.72
  4. Step 4: Simplify right side
    3,169.97x = 7,754,878.72
  5. Step 5: Solve for x
    x = 7,754,878.72/3,169.97
  6. Step 6: Final answer
    x = 2,446.36

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1.5x scale

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.