Home / 3,838.22-5,756.06-1,240.55

Finding the Fourth Proportional to 3,838.22, 5,756.06 and 1,240.55

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Solution

The fourth proportional to 3,838.22, 5,756.06 and 1,240.55 is: 1,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.22 : 5,756.06 = 1,240.55 : x
  2. Step 2: Convert to fraction form
    3,838.22/5,756.06 = 1,240.55/x
  3. Step 3: Cross multiply
    3,838.22x = 5,756.06 × 1,240.55
  4. Step 4: Simplify right side
    3,838.22x = 7,140,676.14
  5. Step 5: Solve for x
    x = 7,140,676.14/3,838.22
  6. Step 6: Final answer
    x = 1,860.41

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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.