Home / 2,136.32-3,202.26-902.70

Finding the Fourth Proportional to 2,136.32, 3,202.26 and 902.70

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Solution

The fourth proportional to 2,136.32, 3,202.26 and 902.70 is: 1,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.32 : 3,202.26 = 902.70 : x
  2. Step 2: Convert to fraction form
    2,136.32/3,202.26 = 902.70/x
  3. Step 3: Cross multiply
    2,136.32x = 3,202.26 × 902.70
  4. Step 4: Simplify right side
    2,136.32x = 2,890,680.10
  5. Step 5: Solve for x
    x = 2,890,680.10/2,136.32
  6. Step 6: Final answer
    x = 1,353.11

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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.