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Finding the Fourth Proportional to 2,866.92, 4,300.38 and 2,001.84

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Solution

The fourth proportional to 2,866.92, 4,300.38 and 2,001.84 is: 3,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.92 : 4,300.38 = 2,001.84 : x
  2. Step 2: Convert to fraction form
    2,866.92/4,300.38 = 2,001.84/x
  3. Step 3: Cross multiply
    2,866.92x = 4,300.38 × 2,001.84
  4. Step 4: Simplify right side
    2,866.92x = 8,608,672.70
  5. Step 5: Solve for x
    x = 8,608,672.70/2,866.92
  6. Step 6: Final answer
    x = 3,002.76

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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.