Home / 3,146.28-4,343.90-1,952.55

Finding the Fourth Proportional to 3,146.28, 4,343.90 and 1,952.55

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Solution

The fourth proportional to 3,146.28, 4,343.90 and 1,952.55 is: 2,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.28 : 4,343.90 = 1,952.55 : x
  2. Step 2: Convert to fraction form
    3,146.28/4,343.90 = 1,952.55/x
  3. Step 3: Cross multiply
    3,146.28x = 4,343.90 × 1,952.55
  4. Step 4: Simplify right side
    3,146.28x = 8,481,681.95
  5. Step 5: Solve for x
    x = 8,481,681.95/3,146.28
  6. Step 6: Final answer
    x = 2,695.78

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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.