Home / 3,377.64-4,663.20-3,168.48

Finding the Fourth Proportional to 3,377.64, 4,663.20 and 3,168.48

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Solution

The fourth proportional to 3,377.64, 4,663.20 and 3,168.48 is: 4,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.64 : 4,663.20 = 3,168.48 : x
  2. Step 2: Convert to fraction form
    3,377.64/4,663.20 = 3,168.48/x
  3. Step 3: Cross multiply
    3,377.64x = 4,663.20 × 3,168.48
  4. Step 4: Simplify right side
    3,377.64x = 14,775,255.94
  5. Step 5: Solve for x
    x = 14,775,255.94/3,377.64
  6. Step 6: Final answer
    x = 4,374.43

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1.5x scale

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.