Home / 3,521.56-5,276.40-2,287.12

Finding the Fourth Proportional to 3,521.56, 5,276.40 and 2,287.12

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Solution

The fourth proportional to 3,521.56, 5,276.40 and 2,287.12 is: 3,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.56 : 5,276.40 = 2,287.12 : x
  2. Step 2: Convert to fraction form
    3,521.56/5,276.40 = 2,287.12/x
  3. Step 3: Cross multiply
    3,521.56x = 5,276.40 × 2,287.12
  4. Step 4: Simplify right side
    3,521.56x = 12,067,759.97
  5. Step 5: Solve for x
    x = 12,067,759.97/3,521.56
  6. Step 6: Final answer
    x = 3,426.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.