Home / 3,479.10-5,213.25-2,245.47

Finding the Fourth Proportional to 3,479.10, 5,213.25 and 2,245.47

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Solution

The fourth proportional to 3,479.10, 5,213.25 and 2,245.47 is: 3,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.10 : 5,213.25 = 2,245.47 : x
  2. Step 2: Convert to fraction form
    3,479.10/5,213.25 = 2,245.47/x
  3. Step 3: Cross multiply
    3,479.10x = 5,213.25 × 2,245.47
  4. Step 4: Simplify right side
    3,479.10x = 11,706,196.48
  5. Step 5: Solve for x
    x = 11,706,196.48/3,479.10
  6. Step 6: Final answer
    x = 3,364.72

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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.