Home / 3,479.39-5,209.05-2,310.56

Finding the Fourth Proportional to 3,479.39, 5,209.05 and 2,310.56

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Solution

The fourth proportional to 3,479.39, 5,209.05 and 2,310.56 is: 3,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.39 : 5,209.05 = 2,310.56 : x
  2. Step 2: Convert to fraction form
    3,479.39/5,209.05 = 2,310.56/x
  3. Step 3: Cross multiply
    3,479.39x = 5,209.05 × 2,310.56
  4. Step 4: Simplify right side
    3,479.39x = 12,035,796.52
  5. Step 5: Solve for x
    x = 12,035,796.52/3,479.39
  6. Step 6: Final answer
    x = 3,459.17

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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.