Home / 3,275.80-4,521.20-1,859.92

Finding the Fourth Proportional to 3,275.80, 4,521.20 and 1,859.92

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Solution

The fourth proportional to 3,275.80, 4,521.20 and 1,859.92 is: 2,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.80 : 4,521.20 = 1,859.92 : x
  2. Step 2: Convert to fraction form
    3,275.80/4,521.20 = 1,859.92/x
  3. Step 3: Cross multiply
    3,275.80x = 4,521.20 × 1,859.92
  4. Step 4: Simplify right side
    3,275.80x = 8,409,049.70
  5. Step 5: Solve for x
    x = 8,409,049.70/3,275.80
  6. Step 6: Final answer
    x = 2,567.02

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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.