Home / 2,911.18-4,016-1,731.42

Finding the Fourth Proportional to 2,911.18, 4,016 and 1,731.42

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Solution

The fourth proportional to 2,911.18, 4,016 and 1,731.42 is: 2,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.18 : 4,016 = 1,731.42 : x
  2. Step 2: Convert to fraction form
    2,911.18/4,016 = 1,731.42/x
  3. Step 3: Cross multiply
    2,911.18x = 4,016 × 1,731.42
  4. Step 4: Simplify right side
    2,911.18x = 6,953,382.72
  5. Step 5: Solve for x
    x = 6,953,382.72/2,911.18
  6. Step 6: Final answer
    x = 2,388.51

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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.