Home / 2,008.78-3,011.62-1,229.14

Finding the Fourth Proportional to 2,008.78, 3,011.62 and 1,229.14

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Solution

The fourth proportional to 2,008.78, 3,011.62 and 1,229.14 is: 1,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.78 : 3,011.62 = 1,229.14 : x
  2. Step 2: Convert to fraction form
    2,008.78/3,011.62 = 1,229.14/x
  3. Step 3: Cross multiply
    2,008.78x = 3,011.62 × 1,229.14
  4. Step 4: Simplify right side
    2,008.78x = 3,701,702.61
  5. Step 5: Solve for x
    x = 3,701,702.61/2,008.78
  6. Step 6: Final answer
    x = 1,842.76

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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.