Home / 3,573.20-5,357.96-1,382.56

Finding the Fourth Proportional to 3,573.20, 5,357.96 and 1,382.56

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Solution

The fourth proportional to 3,573.20, 5,357.96 and 1,382.56 is: 2,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.20 : 5,357.96 = 1,382.56 : x
  2. Step 2: Convert to fraction form
    3,573.20/5,357.96 = 1,382.56/x
  3. Step 3: Cross multiply
    3,573.20x = 5,357.96 × 1,382.56
  4. Step 4: Simplify right side
    3,573.20x = 7,407,701.18
  5. Step 5: Solve for x
    x = 7,407,701.18/3,573.20
  6. Step 6: Final answer
    x = 2,073.13

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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.