Home / 3,608.24-5,412.29-1,143.21

Finding the Fourth Proportional to 3,608.24, 5,412.29 and 1,143.21

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Solution

The fourth proportional to 3,608.24, 5,412.29 and 1,143.21 is: 1,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.24 : 5,412.29 = 1,143.21 : x
  2. Step 2: Convert to fraction form
    3,608.24/5,412.29 = 1,143.21/x
  3. Step 3: Cross multiply
    3,608.24x = 5,412.29 × 1,143.21
  4. Step 4: Simplify right side
    3,608.24x = 6,187,378.33
  5. Step 5: Solve for x
    x = 6,187,378.33/3,608.24
  6. Step 6: Final answer
    x = 1,714.79

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1.5x scale

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.