Home / 3,521.25-4,857.08-2,261.88

Finding the Fourth Proportional to 3,521.25, 4,857.08 and 2,261.88

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Solution

The fourth proportional to 3,521.25, 4,857.08 and 2,261.88 is: 3,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.25 : 4,857.08 = 2,261.88 : x
  2. Step 2: Convert to fraction form
    3,521.25/4,857.08 = 2,261.88/x
  3. Step 3: Cross multiply
    3,521.25x = 4,857.08 × 2,261.88
  4. Step 4: Simplify right side
    3,521.25x = 10,986,120.80
  5. Step 5: Solve for x
    x = 10,986,120.80/3,521.25
  6. Step 6: Final answer
    x = 3,119.95

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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.