Home / 3,324-4,977.28-2,287.20

Finding the Fourth Proportional to 3,324, 4,977.28 and 2,287.20

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Solution

The fourth proportional to 3,324, 4,977.28 and 2,287.20 is: 3,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324 : 4,977.28 = 2,287.20 : x
  2. Step 2: Convert to fraction form
    3,324/4,977.28 = 2,287.20/x
  3. Step 3: Cross multiply
    3,324x = 4,977.28 × 2,287.20
  4. Step 4: Simplify right side
    3,324x = 11,384,034.82
  5. Step 5: Solve for x
    x = 11,384,034.82/3,324
  6. Step 6: Final answer
    x = 3,424.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.