Home / 3,571.01-5,357.36-1,489.85

Finding the Fourth Proportional to 3,571.01, 5,357.36 and 1,489.85

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Solution

The fourth proportional to 3,571.01, 5,357.36 and 1,489.85 is: 2,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.01 : 5,357.36 = 1,489.85 : x
  2. Step 2: Convert to fraction form
    3,571.01/5,357.36 = 1,489.85/x
  3. Step 3: Cross multiply
    3,571.01x = 5,357.36 × 1,489.85
  4. Step 4: Simplify right side
    3,571.01x = 7,981,689.96
  5. Step 5: Solve for x
    x = 7,981,689.96/3,571.01
  6. Step 6: Final answer
    x = 2,235.14

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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.