Home / 3,179.38-4,385.34-2,237.14

Finding the Fourth Proportional to 3,179.38, 4,385.34 and 2,237.14

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Solution

The fourth proportional to 3,179.38, 4,385.34 and 2,237.14 is: 3,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.38 : 4,385.34 = 2,237.14 : x
  2. Step 2: Convert to fraction form
    3,179.38/4,385.34 = 2,237.14/x
  3. Step 3: Cross multiply
    3,179.38x = 4,385.34 × 2,237.14
  4. Step 4: Simplify right side
    3,179.38x = 9,810,619.53
  5. Step 5: Solve for x
    x = 9,810,619.53/3,179.38
  6. Step 6: Final answer
    x = 3,085.70

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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.