Home / 3,318.35-4,974.80-1,562.49

Finding the Fourth Proportional to 3,318.35, 4,974.80 and 1,562.49

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Solution

The fourth proportional to 3,318.35, 4,974.80 and 1,562.49 is: 2,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.35 : 4,974.80 = 1,562.49 : x
  2. Step 2: Convert to fraction form
    3,318.35/4,974.80 = 1,562.49/x
  3. Step 3: Cross multiply
    3,318.35x = 4,974.80 × 1,562.49
  4. Step 4: Simplify right side
    3,318.35x = 7,773,067.44
  5. Step 5: Solve for x
    x = 7,773,067.44/3,318.35
  6. Step 6: Final answer
    x = 2,342.45

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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.