Home / 2,866.15-4,295.17-1,221.04

Finding the Fourth Proportional to 2,866.15, 4,295.17 and 1,221.04

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Solution

The fourth proportional to 2,866.15, 4,295.17 and 1,221.04 is: 1,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.15 : 4,295.17 = 1,221.04 : x
  2. Step 2: Convert to fraction form
    2,866.15/4,295.17 = 1,221.04/x
  3. Step 3: Cross multiply
    2,866.15x = 4,295.17 × 1,221.04
  4. Step 4: Simplify right side
    2,866.15x = 5,244,574.38
  5. Step 5: Solve for x
    x = 5,244,574.38/2,866.15
  6. Step 6: Final answer
    x = 1,829.83

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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.