Home / 3,490.38-5,235.44-1,181.88

Finding the Fourth Proportional to 3,490.38, 5,235.44 and 1,181.88

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Solution

The fourth proportional to 3,490.38, 5,235.44 and 1,181.88 is: 1,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.38 : 5,235.44 = 1,181.88 : x
  2. Step 2: Convert to fraction form
    3,490.38/5,235.44 = 1,181.88/x
  3. Step 3: Cross multiply
    3,490.38x = 5,235.44 × 1,181.88
  4. Step 4: Simplify right side
    3,490.38x = 6,187,655.92
  5. Step 5: Solve for x
    x = 6,187,655.92/3,490.38
  6. Step 6: Final answer
    x = 1,772.77

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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.