Home / 3,969.26-5,474.40-2,711.73

Finding the Fourth Proportional to 3,969.26, 5,474.40 and 2,711.73

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Solution

The fourth proportional to 3,969.26, 5,474.40 and 2,711.73 is: 3,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.26 : 5,474.40 = 2,711.73 : x
  2. Step 2: Convert to fraction form
    3,969.26/5,474.40 = 2,711.73/x
  3. Step 3: Cross multiply
    3,969.26x = 5,474.40 × 2,711.73
  4. Step 4: Simplify right side
    3,969.26x = 14,845,094.71
  5. Step 5: Solve for x
    x = 14,845,094.71/3,969.26
  6. Step 6: Final answer
    x = 3,740.02

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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.