Home / 3,262.05-4,869.20-2,802.78

Finding the Fourth Proportional to 3,262.05, 4,869.20 and 2,802.78

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Solution

The fourth proportional to 3,262.05, 4,869.20 and 2,802.78 is: 4,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.05 : 4,869.20 = 2,802.78 : x
  2. Step 2: Convert to fraction form
    3,262.05/4,869.20 = 2,802.78/x
  3. Step 3: Cross multiply
    3,262.05x = 4,869.20 × 2,802.78
  4. Step 4: Simplify right side
    3,262.05x = 13,647,303.38
  5. Step 5: Solve for x
    x = 13,647,303.38/3,262.05
  6. Step 6: Final answer
    x = 4,183.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.