Home / 2,882.28-4,326.16-1,788.78

Finding the Fourth Proportional to 2,882.28, 4,326.16 and 1,788.78

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Solution

The fourth proportional to 2,882.28, 4,326.16 and 1,788.78 is: 2,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.28 : 4,326.16 = 1,788.78 : x
  2. Step 2: Convert to fraction form
    2,882.28/4,326.16 = 1,788.78/x
  3. Step 3: Cross multiply
    2,882.28x = 4,326.16 × 1,788.78
  4. Step 4: Simplify right side
    2,882.28x = 7,738,563.59
  5. Step 5: Solve for x
    x = 7,738,563.59/2,882.28
  6. Step 6: Final answer
    x = 2,684.87

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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.