Home / 4,109.12-5,671.16-2,340.88

Finding the Fourth Proportional to 4,109.12, 5,671.16 and 2,340.88

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Solution

The fourth proportional to 4,109.12, 5,671.16 and 2,340.88 is: 3,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.12 : 5,671.16 = 2,340.88 : x
  2. Step 2: Convert to fraction form
    4,109.12/5,671.16 = 2,340.88/x
  3. Step 3: Cross multiply
    4,109.12x = 5,671.16 × 2,340.88
  4. Step 4: Simplify right side
    4,109.12x = 13,275,505.02
  5. Step 5: Solve for x
    x = 13,275,505.02/4,109.12
  6. Step 6: Final answer
    x = 3,230.74

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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.