Home / 3,178.54-4,759-2,396.17

Finding the Fourth Proportional to 3,178.54, 4,759 and 2,396.17

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Solution

The fourth proportional to 3,178.54, 4,759 and 2,396.17 is: 3,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.54 : 4,759 = 2,396.17 : x
  2. Step 2: Convert to fraction form
    3,178.54/4,759 = 2,396.17/x
  3. Step 3: Cross multiply
    3,178.54x = 4,759 × 2,396.17
  4. Step 4: Simplify right side
    3,178.54x = 11,403,373.03
  5. Step 5: Solve for x
    x = 11,403,373.03/3,178.54
  6. Step 6: Final answer
    x = 3,587.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.