Home / 3,170.41-4,374-1,974.85

Finding the Fourth Proportional to 3,170.41, 4,374 and 1,974.85

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Solution

The fourth proportional to 3,170.41, 4,374 and 1,974.85 is: 2,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.41 : 4,374 = 1,974.85 : x
  2. Step 2: Convert to fraction form
    3,170.41/4,374 = 1,974.85/x
  3. Step 3: Cross multiply
    3,170.41x = 4,374 × 1,974.85
  4. Step 4: Simplify right side
    3,170.41x = 8,637,982.97
  5. Step 5: Solve for x
    x = 8,637,982.97/3,170.41
  6. Step 6: Final answer
    x = 2,724.57

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Half scale
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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.