Home / 3,211.06-4,816.59-902.56

Finding the Fourth Proportional to 3,211.06, 4,816.59 and 902.56

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Solution

The fourth proportional to 3,211.06, 4,816.59 and 902.56 is: 1,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.06 : 4,816.59 = 902.56 : x
  2. Step 2: Convert to fraction form
    3,211.06/4,816.59 = 902.56/x
  3. Step 3: Cross multiply
    3,211.06x = 4,816.59 × 902.56
  4. Step 4: Simplify right side
    3,211.06x = 4,347,276.90
  5. Step 5: Solve for x
    x = 4,347,276.90/3,211.06
  6. Step 6: Final answer
    x = 1,353.84

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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.