Home / 3,318.25-4,980.46-1,675.95

Finding the Fourth Proportional to 3,318.25, 4,980.46 and 1,675.95

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Solution

The fourth proportional to 3,318.25, 4,980.46 and 1,675.95 is: 2,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.25 : 4,980.46 = 1,675.95 : x
  2. Step 2: Convert to fraction form
    3,318.25/4,980.46 = 1,675.95/x
  3. Step 3: Cross multiply
    3,318.25x = 4,980.46 × 1,675.95
  4. Step 4: Simplify right side
    3,318.25x = 8,347,010.20
  5. Step 5: Solve for x
    x = 8,347,010.20/3,318.25
  6. Step 6: Final answer
    x = 2,515.48

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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.