Home / 3,314.60-4,963.80-1,581.20

Finding the Fourth Proportional to 3,314.60, 4,963.80 and 1,581.20

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Solution

The fourth proportional to 3,314.60, 4,963.80 and 1,581.20 is: 2,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.60 : 4,963.80 = 1,581.20 : x
  2. Step 2: Convert to fraction form
    3,314.60/4,963.80 = 1,581.20/x
  3. Step 3: Cross multiply
    3,314.60x = 4,963.80 × 1,581.20
  4. Step 4: Simplify right side
    3,314.60x = 7,848,760.56
  5. Step 5: Solve for x
    x = 7,848,760.56/3,314.60
  6. Step 6: Final answer
    x = 2,367.94

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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.