Home / 3,252.63-4,879.67-1,278.45

Finding the Fourth Proportional to 3,252.63, 4,879.67 and 1,278.45

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Solution

The fourth proportional to 3,252.63, 4,879.67 and 1,278.45 is: 1,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.63 : 4,879.67 = 1,278.45 : x
  2. Step 2: Convert to fraction form
    3,252.63/4,879.67 = 1,278.45/x
  3. Step 3: Cross multiply
    3,252.63x = 4,879.67 × 1,278.45
  4. Step 4: Simplify right side
    3,252.63x = 6,238,414.11
  5. Step 5: Solve for x
    x = 6,238,414.11/3,252.63
  6. Step 6: Final answer
    x = 1,917.96

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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.