Home / 3,490.89-5,234.97-1,298.43

Finding the Fourth Proportional to 3,490.89, 5,234.97 and 1,298.43

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Solution

The fourth proportional to 3,490.89, 5,234.97 and 1,298.43 is: 1,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.89 : 5,234.97 = 1,298.43 : x
  2. Step 2: Convert to fraction form
    3,490.89/5,234.97 = 1,298.43/x
  3. Step 3: Cross multiply
    3,490.89x = 5,234.97 × 1,298.43
  4. Step 4: Simplify right side
    3,490.89x = 6,797,215.92
  5. Step 5: Solve for x
    x = 6,797,215.92/3,490.89
  6. Step 6: Final answer
    x = 1,947.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.