Home / 2,624.80-3,932.88-2,080.48

Finding the Fourth Proportional to 2,624.80, 3,932.88 and 2,080.48

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Solution

The fourth proportional to 2,624.80, 3,932.88 and 2,080.48 is: 3,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.80 : 3,932.88 = 2,080.48 : x
  2. Step 2: Convert to fraction form
    2,624.80/3,932.88 = 2,080.48/x
  3. Step 3: Cross multiply
    2,624.80x = 3,932.88 × 2,080.48
  4. Step 4: Simplify right side
    2,624.80x = 8,182,278.18
  5. Step 5: Solve for x
    x = 8,182,278.18/2,624.80
  6. Step 6: Final answer
    x = 3,117.30

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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.