Home / 3,289.28-4,949.76-2,708.48

Finding the Fourth Proportional to 3,289.28, 4,949.76 and 2,708.48

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Solution

The fourth proportional to 3,289.28, 4,949.76 and 2,708.48 is: 4,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.28 : 4,949.76 = 2,708.48 : x
  2. Step 2: Convert to fraction form
    3,289.28/4,949.76 = 2,708.48/x
  3. Step 3: Cross multiply
    3,289.28x = 4,949.76 × 2,708.48
  4. Step 4: Simplify right side
    3,289.28x = 13,406,325.96
  5. Step 5: Solve for x
    x = 13,406,325.96/3,289.28
  6. Step 6: Final answer
    x = 4,075.76

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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.