Home / 2,694.24-4,008.78-2,627.28

Finding the Fourth Proportional to 2,694.24, 4,008.78 and 2,627.28

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Solution

The fourth proportional to 2,694.24, 4,008.78 and 2,627.28 is: 3,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.24 : 4,008.78 = 2,627.28 : x
  2. Step 2: Convert to fraction form
    2,694.24/4,008.78 = 2,627.28/x
  3. Step 3: Cross multiply
    2,694.24x = 4,008.78 × 2,627.28
  4. Step 4: Simplify right side
    2,694.24x = 10,532,187.52
  5. Step 5: Solve for x
    x = 10,532,187.52/2,694.24
  6. Step 6: Final answer
    x = 3,909.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.