Home / 3,553.56-4,902.39-2,136.87

Finding the Fourth Proportional to 3,553.56, 4,902.39 and 2,136.87

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Solution

The fourth proportional to 3,553.56, 4,902.39 and 2,136.87 is: 2,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.56 : 4,902.39 = 2,136.87 : x
  2. Step 2: Convert to fraction form
    3,553.56/4,902.39 = 2,136.87/x
  3. Step 3: Cross multiply
    3,553.56x = 4,902.39 × 2,136.87
  4. Step 4: Simplify right side
    3,553.56x = 10,475,770.12
  5. Step 5: Solve for x
    x = 10,475,770.12/3,553.56
  6. Step 6: Final answer
    x = 2,947.96

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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.