Home / 2,490.28-3,732.90-1,174.48

Finding the Fourth Proportional to 2,490.28, 3,732.90 and 1,174.48

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Solution

The fourth proportional to 2,490.28, 3,732.90 and 1,174.48 is: 1,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.28 : 3,732.90 = 1,174.48 : x
  2. Step 2: Convert to fraction form
    2,490.28/3,732.90 = 1,174.48/x
  3. Step 3: Cross multiply
    2,490.28x = 3,732.90 × 1,174.48
  4. Step 4: Simplify right side
    2,490.28x = 4,384,216.39
  5. Step 5: Solve for x
    x = 4,384,216.39/2,490.28
  6. Step 6: Final answer
    x = 1,760.53

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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.