Home / 3,008.74-4,149.97-2,760.88

Finding the Fourth Proportional to 3,008.74, 4,149.97 and 2,760.88

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Solution

The fourth proportional to 3,008.74, 4,149.97 and 2,760.88 is: 3,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.74 : 4,149.97 = 2,760.88 : x
  2. Step 2: Convert to fraction form
    3,008.74/4,149.97 = 2,760.88/x
  3. Step 3: Cross multiply
    3,008.74x = 4,149.97 × 2,760.88
  4. Step 4: Simplify right side
    3,008.74x = 11,457,569.17
  5. Step 5: Solve for x
    x = 11,457,569.17/3,008.74
  6. Step 6: Final answer
    x = 3,808.10

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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.