Home / 2,717.28-3,741.51-2,318.07

Finding the Fourth Proportional to 2,717.28, 3,741.51 and 2,318.07

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Solution

The fourth proportional to 2,717.28, 3,741.51 and 2,318.07 is: 3,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.28 : 3,741.51 = 2,318.07 : x
  2. Step 2: Convert to fraction form
    2,717.28/3,741.51 = 2,318.07/x
  3. Step 3: Cross multiply
    2,717.28x = 3,741.51 × 2,318.07
  4. Step 4: Simplify right side
    2,717.28x = 8,673,082.09
  5. Step 5: Solve for x
    x = 8,673,082.09/2,717.28
  6. Step 6: Final answer
    x = 3,191.82

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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.