Home / 4,335.80-5,979.86-2,761.16

Finding the Fourth Proportional to 4,335.80, 5,979.86 and 2,761.16

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Solution

The fourth proportional to 4,335.80, 5,979.86 and 2,761.16 is: 3,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.80 : 5,979.86 = 2,761.16 : x
  2. Step 2: Convert to fraction form
    4,335.80/5,979.86 = 2,761.16/x
  3. Step 3: Cross multiply
    4,335.80x = 5,979.86 × 2,761.16
  4. Step 4: Simplify right side
    4,335.80x = 16,511,350.24
  5. Step 5: Solve for x
    x = 16,511,350.24/4,335.80
  6. Step 6: Final answer
    x = 3,808.14

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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.