Home / 3,170.19-4,375.92-2,176.95

Finding the Fourth Proportional to 3,170.19, 4,375.92 and 2,176.95

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Solution

The fourth proportional to 3,170.19, 4,375.92 and 2,176.95 is: 3,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.19 : 4,375.92 = 2,176.95 : x
  2. Step 2: Convert to fraction form
    3,170.19/4,375.92 = 2,176.95/x
  3. Step 3: Cross multiply
    3,170.19x = 4,375.92 × 2,176.95
  4. Step 4: Simplify right side
    3,170.19x = 9,526,159.04
  5. Step 5: Solve for x
    x = 9,526,159.04/3,170.19
  6. Step 6: Final answer
    x = 3,004.92

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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.