Home / 3,553.70-4,903.26-2,136.90

Finding the Fourth Proportional to 3,553.70, 4,903.26 and 2,136.90

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Solution

The fourth proportional to 3,553.70, 4,903.26 and 2,136.90 is: 2,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.70 : 4,903.26 = 2,136.90 : x
  2. Step 2: Convert to fraction form
    3,553.70/4,903.26 = 2,136.90/x
  3. Step 3: Cross multiply
    3,553.70x = 4,903.26 × 2,136.90
  4. Step 4: Simplify right side
    3,553.70x = 10,477,776.29
  5. Step 5: Solve for x
    x = 10,477,776.29/3,553.70
  6. Step 6: Final answer
    x = 2,948.41

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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.