Home / 3,171.97-4,374.66-2,377.16

Finding the Fourth Proportional to 3,171.97, 4,374.66 and 2,377.16

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Solution

The fourth proportional to 3,171.97, 4,374.66 and 2,377.16 is: 3,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.97 : 4,374.66 = 2,377.16 : x
  2. Step 2: Convert to fraction form
    3,171.97/4,374.66 = 2,377.16/x
  3. Step 3: Cross multiply
    3,171.97x = 4,374.66 × 2,377.16
  4. Step 4: Simplify right side
    3,171.97x = 10,399,266.77
  5. Step 5: Solve for x
    x = 10,399,266.77/3,171.97
  6. Step 6: Final answer
    x = 3,278.49

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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.