Home / 3,211.32-4,816.62-902.76

Finding the Fourth Proportional to 3,211.32, 4,816.62 and 902.76

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Solution

The fourth proportional to 3,211.32, 4,816.62 and 902.76 is: 1,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.32 : 4,816.62 = 902.76 : x
  2. Step 2: Convert to fraction form
    3,211.32/4,816.62 = 902.76/x
  3. Step 3: Cross multiply
    3,211.32x = 4,816.62 × 902.76
  4. Step 4: Simplify right side
    3,211.32x = 4,348,251.87
  5. Step 5: Solve for x
    x = 4,348,251.87/3,211.32
  6. Step 6: Final answer
    x = 1,354.04

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1.5x scale

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.