Home / 3,232.78-4,849.17-2,136.90

Finding the Fourth Proportional to 3,232.78, 4,849.17 and 2,136.90

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Solution

The fourth proportional to 3,232.78, 4,849.17 and 2,136.90 is: 3,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.78 : 4,849.17 = 2,136.90 : x
  2. Step 2: Convert to fraction form
    3,232.78/4,849.17 = 2,136.90/x
  3. Step 3: Cross multiply
    3,232.78x = 4,849.17 × 2,136.90
  4. Step 4: Simplify right side
    3,232.78x = 10,362,191.37
  5. Step 5: Solve for x
    x = 10,362,191.37/3,232.78
  6. Step 6: Final answer
    x = 3,205.35

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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.