Home / 2,991.80-4,134.38-2,244.46

Finding the Fourth Proportional to 2,991.80, 4,134.38 and 2,244.46

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Solution

The fourth proportional to 2,991.80, 4,134.38 and 2,244.46 is: 3,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.80 : 4,134.38 = 2,244.46 : x
  2. Step 2: Convert to fraction form
    2,991.80/4,134.38 = 2,244.46/x
  3. Step 3: Cross multiply
    2,991.80x = 4,134.38 × 2,244.46
  4. Step 4: Simplify right side
    2,991.80x = 9,279,450.53
  5. Step 5: Solve for x
    x = 9,279,450.53/2,991.80
  6. Step 6: Final answer
    x = 3,101.63

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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.