Home / 2,239.18-3,091.17-1,717.54

Finding the Fourth Proportional to 2,239.18, 3,091.17 and 1,717.54

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Solution

The fourth proportional to 2,239.18, 3,091.17 and 1,717.54 is: 2,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.18 : 3,091.17 = 1,717.54 : x
  2. Step 2: Convert to fraction form
    2,239.18/3,091.17 = 1,717.54/x
  3. Step 3: Cross multiply
    2,239.18x = 3,091.17 × 1,717.54
  4. Step 4: Simplify right side
    2,239.18x = 5,309,208.12
  5. Step 5: Solve for x
    x = 5,309,208.12/2,239.18
  6. Step 6: Final answer
    x = 2,371.05

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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.