Home / 2,000.20-2,760.24-1,115.92

Finding the Fourth Proportional to 2,000.20, 2,760.24 and 1,115.92

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Solution

The fourth proportional to 2,000.20, 2,760.24 and 1,115.92 is: 1,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.20 : 2,760.24 = 1,115.92 : x
  2. Step 2: Convert to fraction form
    2,000.20/2,760.24 = 1,115.92/x
  3. Step 3: Cross multiply
    2,000.20x = 2,760.24 × 1,115.92
  4. Step 4: Simplify right side
    2,000.20x = 3,080,207.02
  5. Step 5: Solve for x
    x = 3,080,207.02/2,000.20
  6. Step 6: Final answer
    x = 1,539.95

Related Problems

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Half scale
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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.