Home / 2,800.27-4,197.32-1,155.92

Finding the Fourth Proportional to 2,800.27, 4,197.32 and 1,155.92

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Solution

The fourth proportional to 2,800.27, 4,197.32 and 1,155.92 is: 1,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.27 : 4,197.32 = 1,155.92 : x
  2. Step 2: Convert to fraction form
    2,800.27/4,197.32 = 1,155.92/x
  3. Step 3: Cross multiply
    2,800.27x = 4,197.32 × 1,155.92
  4. Step 4: Simplify right side
    2,800.27x = 4,851,743.70
  5. Step 5: Solve for x
    x = 4,851,743.70/2,800.27
  6. Step 6: Final answer
    x = 1,732.60

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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.