Home / 3,252.12-4,879.67-1,378.53

Finding the Fourth Proportional to 3,252.12, 4,879.67 and 1,378.53

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Solution

The fourth proportional to 3,252.12, 4,879.67 and 1,378.53 is: 2,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.12 : 4,879.67 = 1,378.53 : x
  2. Step 2: Convert to fraction form
    3,252.12/4,879.67 = 1,378.53/x
  3. Step 3: Cross multiply
    3,252.12x = 4,879.67 × 1,378.53
  4. Step 4: Simplify right side
    3,252.12x = 6,726,740.19
  5. Step 5: Solve for x
    x = 6,726,740.19/3,252.12
  6. Step 6: Final answer
    x = 2,068.42

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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.