Home / 3,479.64-5,212.14-2,502.78

Finding the Fourth Proportional to 3,479.64, 5,212.14 and 2,502.78

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Solution

The fourth proportional to 3,479.64, 5,212.14 and 2,502.78 is: 3,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.64 : 5,212.14 = 2,502.78 : x
  2. Step 2: Convert to fraction form
    3,479.64/5,212.14 = 2,502.78/x
  3. Step 3: Cross multiply
    3,479.64x = 5,212.14 × 2,502.78
  4. Step 4: Simplify right side
    3,479.64x = 13,044,839.75
  5. Step 5: Solve for x
    x = 13,044,839.75/3,479.64
  6. Step 6: Final answer
    x = 3,748.90

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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.