Home / 3,313.92-4,576.32-2,691.84

Finding the Fourth Proportional to 3,313.92, 4,576.32 and 2,691.84

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Solution

The fourth proportional to 3,313.92, 4,576.32 and 2,691.84 is: 3,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.92 : 4,576.32 = 2,691.84 : x
  2. Step 2: Convert to fraction form
    3,313.92/4,576.32 = 2,691.84/x
  3. Step 3: Cross multiply
    3,313.92x = 4,576.32 × 2,691.84
  4. Step 4: Simplify right side
    3,313.92x = 12,318,721.23
  5. Step 5: Solve for x
    x = 12,318,721.23/3,313.92
  6. Step 6: Final answer
    x = 3,717.27

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1.5x scale

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.