Home / 2,447.20-3,377.28-2,336.50

Finding the Fourth Proportional to 2,447.20, 3,377.28 and 2,336.50

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Solution

The fourth proportional to 2,447.20, 3,377.28 and 2,336.50 is: 3,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.20 : 3,377.28 = 2,336.50 : x
  2. Step 2: Convert to fraction form
    2,447.20/3,377.28 = 2,336.50/x
  3. Step 3: Cross multiply
    2,447.20x = 3,377.28 × 2,336.50
  4. Step 4: Simplify right side
    2,447.20x = 7,891,014.72
  5. Step 5: Solve for x
    x = 7,891,014.72/2,447.20
  6. Step 6: Final answer
    x = 3,224.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.