Home / 3,168.72-4,730.22-2,677.20

Finding the Fourth Proportional to 3,168.72, 4,730.22 and 2,677.20

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Solution

The fourth proportional to 3,168.72, 4,730.22 and 2,677.20 is: 3,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.72 : 4,730.22 = 2,677.20 : x
  2. Step 2: Convert to fraction form
    3,168.72/4,730.22 = 2,677.20/x
  3. Step 3: Cross multiply
    3,168.72x = 4,730.22 × 2,677.20
  4. Step 4: Simplify right side
    3,168.72x = 12,663,744.98
  5. Step 5: Solve for x
    x = 12,663,744.98/3,168.72
  6. Step 6: Final answer
    x = 3,996.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.