Home / 3,746.78-5,620.33-1,149.82

Finding the Fourth Proportional to 3,746.78, 5,620.33 and 1,149.82

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Solution

The fourth proportional to 3,746.78, 5,620.33 and 1,149.82 is: 1,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.78 : 5,620.33 = 1,149.82 : x
  2. Step 2: Convert to fraction form
    3,746.78/5,620.33 = 1,149.82/x
  3. Step 3: Cross multiply
    3,746.78x = 5,620.33 × 1,149.82
  4. Step 4: Simplify right side
    3,746.78x = 6,462,367.84
  5. Step 5: Solve for x
    x = 6,462,367.84/3,746.78
  6. Step 6: Final answer
    x = 1,724.78

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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.