Home / 2,383.62-3,589.40-2,079.11

Finding the Fourth Proportional to 2,383.62, 3,589.40 and 2,079.11

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Solution

The fourth proportional to 2,383.62, 3,589.40 and 2,079.11 is: 3,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.62 : 3,589.40 = 2,079.11 : x
  2. Step 2: Convert to fraction form
    2,383.62/3,589.40 = 2,079.11/x
  3. Step 3: Cross multiply
    2,383.62x = 3,589.40 × 2,079.11
  4. Step 4: Simplify right side
    2,383.62x = 7,462,757.43
  5. Step 5: Solve for x
    x = 7,462,757.43/2,383.62
  6. Step 6: Final answer
    x = 3,130.85

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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.