Home / 2,911.24-4,016.14-1,731.64

Finding the Fourth Proportional to 2,911.24, 4,016.14 and 1,731.64

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Solution

The fourth proportional to 2,911.24, 4,016.14 and 1,731.64 is: 2,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.24 : 4,016.14 = 1,731.64 : x
  2. Step 2: Convert to fraction form
    2,911.24/4,016.14 = 1,731.64/x
  3. Step 3: Cross multiply
    2,911.24x = 4,016.14 × 1,731.64
  4. Step 4: Simplify right side
    2,911.24x = 6,954,508.67
  5. Step 5: Solve for x
    x = 6,954,508.67/2,911.24
  6. Step 6: Final answer
    x = 2,388.85

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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.