Home / 3,721.42-5,582.13-1,255.57

Finding the Fourth Proportional to 3,721.42, 5,582.13 and 1,255.57

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Solution

The fourth proportional to 3,721.42, 5,582.13 and 1,255.57 is: 1,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.42 : 5,582.13 = 1,255.57 : x
  2. Step 2: Convert to fraction form
    3,721.42/5,582.13 = 1,255.57/x
  3. Step 3: Cross multiply
    3,721.42x = 5,582.13 × 1,255.57
  4. Step 4: Simplify right side
    3,721.42x = 7,008,754.96
  5. Step 5: Solve for x
    x = 7,008,754.96/3,721.42
  6. Step 6: Final answer
    x = 1,883.36

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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.