Home / 2,238.97-3,090.05-1,354.86

Finding the Fourth Proportional to 2,238.97, 3,090.05 and 1,354.86

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Solution

The fourth proportional to 2,238.97, 3,090.05 and 1,354.86 is: 1,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.97 : 3,090.05 = 1,354.86 : x
  2. Step 2: Convert to fraction form
    2,238.97/3,090.05 = 1,354.86/x
  3. Step 3: Cross multiply
    2,238.97x = 3,090.05 × 1,354.86
  4. Step 4: Simplify right side
    2,238.97x = 4,186,585.14
  5. Step 5: Solve for x
    x = 4,186,585.14/2,238.97
  6. Step 6: Final answer
    x = 1,869.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.