Home / 2,829.22-3,903.52-2,229.85

Finding the Fourth Proportional to 2,829.22, 3,903.52 and 2,229.85

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Solution

The fourth proportional to 2,829.22, 3,903.52 and 2,229.85 is: 3,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.22 : 3,903.52 = 2,229.85 : x
  2. Step 2: Convert to fraction form
    2,829.22/3,903.52 = 2,229.85/x
  3. Step 3: Cross multiply
    2,829.22x = 3,903.52 × 2,229.85
  4. Step 4: Simplify right side
    2,829.22x = 8,704,264.07
  5. Step 5: Solve for x
    x = 8,704,264.07/2,829.22
  6. Step 6: Final answer
    x = 3,076.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.