Home / 2,490.33-3,735.45-2,102.82

Finding the Fourth Proportional to 2,490.33, 3,735.45 and 2,102.82

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Solution

The fourth proportional to 2,490.33, 3,735.45 and 2,102.82 is: 3,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.33 : 3,735.45 = 2,102.82 : x
  2. Step 2: Convert to fraction form
    2,490.33/3,735.45 = 2,102.82/x
  3. Step 3: Cross multiply
    2,490.33x = 3,735.45 × 2,102.82
  4. Step 4: Simplify right side
    2,490.33x = 7,854,978.97
  5. Step 5: Solve for x
    x = 7,854,978.97/2,490.33
  6. Step 6: Final answer
    x = 3,154.19

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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.