Home / 2,279.28-3,412.36-2,041.84

Finding the Fourth Proportional to 2,279.28, 3,412.36 and 2,041.84

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Solution

The fourth proportional to 2,279.28, 3,412.36 and 2,041.84 is: 3,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.28 : 3,412.36 = 2,041.84 : x
  2. Step 2: Convert to fraction form
    2,279.28/3,412.36 = 2,041.84/x
  3. Step 3: Cross multiply
    2,279.28x = 3,412.36 × 2,041.84
  4. Step 4: Simplify right side
    2,279.28x = 6,967,493.14
  5. Step 5: Solve for x
    x = 6,967,493.14/2,279.28
  6. Step 6: Final answer
    x = 3,056.88

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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.