Home / 3,429.86-5,143.57-1,481.00

Finding the Fourth Proportional to 3,429.86, 5,143.57 and 1,481.00

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Solution

The fourth proportional to 3,429.86, 5,143.57 and 1,481.00 is: 2,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.86 : 5,143.57 = 1,481.00 : x
  2. Step 2: Convert to fraction form
    3,429.86/5,143.57 = 1,481.00/x
  3. Step 3: Cross multiply
    3,429.86x = 5,143.57 × 1,481.00
  4. Step 4: Simplify right side
    3,429.86x = 7,617,597.75
  5. Step 5: Solve for x
    x = 7,617,597.75/3,429.86
  6. Step 6: Final answer
    x = 2,220.97

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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.