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Finding the Fourth Proportional to 3,141.06, 4,344.06 and 2,747.40

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Solution

The fourth proportional to 3,141.06, 4,344.06 and 2,747.40 is: 3,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.06 : 4,344.06 = 2,747.40 : x
  2. Step 2: Convert to fraction form
    3,141.06/4,344.06 = 2,747.40/x
  3. Step 3: Cross multiply
    3,141.06x = 4,344.06 × 2,747.40
  4. Step 4: Simplify right side
    3,141.06x = 11,934,870.44
  5. Step 5: Solve for x
    x = 11,934,870.44/3,141.06
  6. Step 6: Final answer
    x = 3,799.63

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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.