Home / 3,269.92-4,510.48-1,942.72

Finding the Fourth Proportional to 3,269.92, 4,510.48 and 1,942.72

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Solution

The fourth proportional to 3,269.92, 4,510.48 and 1,942.72 is: 2,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.92 : 4,510.48 = 1,942.72 : x
  2. Step 2: Convert to fraction form
    3,269.92/4,510.48 = 1,942.72/x
  3. Step 3: Cross multiply
    3,269.92x = 4,510.48 × 1,942.72
  4. Step 4: Simplify right side
    3,269.92x = 8,762,599.71
  5. Step 5: Solve for x
    x = 8,762,599.71/3,269.92
  6. Step 6: Final answer
    x = 2,679.76

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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.