Home / 3,377.16-4,659.66-1,979.64

Finding the Fourth Proportional to 3,377.16, 4,659.66 and 1,979.64

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Solution

The fourth proportional to 3,377.16, 4,659.66 and 1,979.64 is: 2,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.16 : 4,659.66 = 1,979.64 : x
  2. Step 2: Convert to fraction form
    3,377.16/4,659.66 = 1,979.64/x
  3. Step 3: Cross multiply
    3,377.16x = 4,659.66 × 1,979.64
  4. Step 4: Simplify right side
    3,377.16x = 9,224,449.32
  5. Step 5: Solve for x
    x = 9,224,449.32/3,377.16
  6. Step 6: Final answer
    x = 2,731.42

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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.