Home / 2,279.96-3,418.54-1,047.75

Finding the Fourth Proportional to 2,279.96, 3,418.54 and 1,047.75

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Solution

The fourth proportional to 2,279.96, 3,418.54 and 1,047.75 is: 1,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.96 : 3,418.54 = 1,047.75 : x
  2. Step 2: Convert to fraction form
    2,279.96/3,418.54 = 1,047.75/x
  3. Step 3: Cross multiply
    2,279.96x = 3,418.54 × 1,047.75
  4. Step 4: Simplify right side
    2,279.96x = 3,581,775.29
  5. Step 5: Solve for x
    x = 3,581,775.29/2,279.96
  6. Step 6: Final answer
    x = 1,570.98

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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.