Home / 3,184.30-4,392.39-2,238.42

Finding the Fourth Proportional to 3,184.30, 4,392.39 and 2,238.42

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Solution

The fourth proportional to 3,184.30, 4,392.39 and 2,238.42 is: 3,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.30 : 4,392.39 = 2,238.42 : x
  2. Step 2: Convert to fraction form
    3,184.30/4,392.39 = 2,238.42/x
  3. Step 3: Cross multiply
    3,184.30x = 4,392.39 × 2,238.42
  4. Step 4: Simplify right side
    3,184.30x = 9,832,013.62
  5. Step 5: Solve for x
    x = 9,832,013.62/3,184.30
  6. Step 6: Final answer
    x = 3,087.65

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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.