Home / 3,144.16-4,338.34-2,136.66

Finding the Fourth Proportional to 3,144.16, 4,338.34 and 2,136.66

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Solution

The fourth proportional to 3,144.16, 4,338.34 and 2,136.66 is: 2,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.16 : 4,338.34 = 2,136.66 : x
  2. Step 2: Convert to fraction form
    3,144.16/4,338.34 = 2,136.66/x
  3. Step 3: Cross multiply
    3,144.16x = 4,338.34 × 2,136.66
  4. Step 4: Simplify right side
    3,144.16x = 9,269,546.86
  5. Step 5: Solve for x
    x = 9,269,546.86/3,144.16
  6. Step 6: Final answer
    x = 2,948.18

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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.