Home / 2,646.75-3,983.42-1,992.02

Finding the Fourth Proportional to 2,646.75, 3,983.42 and 1,992.02

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Solution

The fourth proportional to 2,646.75, 3,983.42 and 1,992.02 is: 2,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.75 : 3,983.42 = 1,992.02 : x
  2. Step 2: Convert to fraction form
    2,646.75/3,983.42 = 1,992.02/x
  3. Step 3: Cross multiply
    2,646.75x = 3,983.42 × 1,992.02
  4. Step 4: Simplify right side
    2,646.75x = 7,935,052.31
  5. Step 5: Solve for x
    x = 7,935,052.31/2,646.75
  6. Step 6: Final answer
    x = 2,998.04

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.