Home / 3,254.50-4,879.00-1,279.02

Finding the Fourth Proportional to 3,254.50, 4,879.00 and 1,279.02

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Solution

The fourth proportional to 3,254.50, 4,879.00 and 1,279.02 is: 1,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.50 : 4,879.00 = 1,279.02 : x
  2. Step 2: Convert to fraction form
    3,254.50/4,879.00 = 1,279.02/x
  3. Step 3: Cross multiply
    3,254.50x = 4,879.00 × 1,279.02
  4. Step 4: Simplify right side
    3,254.50x = 6,240,358.48
  5. Step 5: Solve for x
    x = 6,240,358.48/3,254.50
  6. Step 6: Final answer
    x = 1,917.46

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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.