Home / 2,912.80-4,367.68-1,063.84

Finding the Fourth Proportional to 2,912.80, 4,367.68 and 1,063.84

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Solution

The fourth proportional to 2,912.80, 4,367.68 and 1,063.84 is: 1,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.80 : 4,367.68 = 1,063.84 : x
  2. Step 2: Convert to fraction form
    2,912.80/4,367.68 = 1,063.84/x
  3. Step 3: Cross multiply
    2,912.80x = 4,367.68 × 1,063.84
  4. Step 4: Simplify right side
    2,912.80x = 4,646,512.69
  5. Step 5: Solve for x
    x = 4,646,512.69/2,912.80
  6. Step 6: Final answer
    x = 1,595.20

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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.