Home / 2,952.20-4,433.10-2,136.20

Finding the Fourth Proportional to 2,952.20, 4,433.10 and 2,136.20

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Solution

The fourth proportional to 2,952.20, 4,433.10 and 2,136.20 is: 3,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.20 : 4,433.10 = 2,136.20 : x
  2. Step 2: Convert to fraction form
    2,952.20/4,433.10 = 2,136.20/x
  3. Step 3: Cross multiply
    2,952.20x = 4,433.10 × 2,136.20
  4. Step 4: Simplify right side
    2,952.20x = 9,469,988.22
  5. Step 5: Solve for x
    x = 9,469,988.22/2,952.20
  6. Step 6: Final answer
    x = 3,207.77

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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.