Home / 2,614.75-3,936.39-2,385.11

Finding the Fourth Proportional to 2,614.75, 3,936.39 and 2,385.11

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Solution

The fourth proportional to 2,614.75, 3,936.39 and 2,385.11 is: 3,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.75 : 3,936.39 = 2,385.11 : x
  2. Step 2: Convert to fraction form
    2,614.75/3,936.39 = 2,385.11/x
  3. Step 3: Cross multiply
    2,614.75x = 3,936.39 × 2,385.11
  4. Step 4: Simplify right side
    2,614.75x = 9,388,723.15
  5. Step 5: Solve for x
    x = 9,388,723.15/2,614.75
  6. Step 6: Final answer
    x = 3,590.68

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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.