Home / 3,020.28-4,530.48-1,375.68

Finding the Fourth Proportional to 3,020.28, 4,530.48 and 1,375.68

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Solution

The fourth proportional to 3,020.28, 4,530.48 and 1,375.68 is: 2,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.28 : 4,530.48 = 1,375.68 : x
  2. Step 2: Convert to fraction form
    3,020.28/4,530.48 = 1,375.68/x
  3. Step 3: Cross multiply
    3,020.28x = 4,530.48 × 1,375.68
  4. Step 4: Simplify right side
    3,020.28x = 6,232,490.73
  5. Step 5: Solve for x
    x = 6,232,490.73/3,020.28
  6. Step 6: Final answer
    x = 2,063.55

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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.