Home / 3,065.62-4,220.18-2,769.96

Finding the Fourth Proportional to 3,065.62, 4,220.18 and 2,769.96

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Solution

The fourth proportional to 3,065.62, 4,220.18 and 2,769.96 is: 3,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.62 : 4,220.18 = 2,769.96 : x
  2. Step 2: Convert to fraction form
    3,065.62/4,220.18 = 2,769.96/x
  3. Step 3: Cross multiply
    3,065.62x = 4,220.18 × 2,769.96
  4. Step 4: Simplify right side
    3,065.62x = 11,689,729.79
  5. Step 5: Solve for x
    x = 11,689,729.79/3,065.62
  6. Step 6: Final answer
    x = 3,813.17

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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.