Home / 2,882.72-4,320.84-2,059.76

Finding the Fourth Proportional to 2,882.72, 4,320.84 and 2,059.76

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Solution

The fourth proportional to 2,882.72, 4,320.84 and 2,059.76 is: 3,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.72 : 4,320.84 = 2,059.76 : x
  2. Step 2: Convert to fraction form
    2,882.72/4,320.84 = 2,059.76/x
  3. Step 3: Cross multiply
    2,882.72x = 4,320.84 × 2,059.76
  4. Step 4: Simplify right side
    2,882.72x = 8,899,893.40
  5. Step 5: Solve for x
    x = 8,899,893.40/2,882.72
  6. Step 6: Final answer
    x = 3,087.32

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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.