Home / 3,279.87-4,921.59-1,548.45

Finding the Fourth Proportional to 3,279.87, 4,921.59 and 1,548.45

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Solution

The fourth proportional to 3,279.87, 4,921.59 and 1,548.45 is: 2,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.87 : 4,921.59 = 1,548.45 : x
  2. Step 2: Convert to fraction form
    3,279.87/4,921.59 = 1,548.45/x
  3. Step 3: Cross multiply
    3,279.87x = 4,921.59 × 1,548.45
  4. Step 4: Simplify right side
    3,279.87x = 7,620,836.04
  5. Step 5: Solve for x
    x = 7,620,836.04/3,279.87
  6. Step 6: Final answer
    x = 2,323.52

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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.