Home / 3,745.31-5,617.96-2,099.39

Finding the Fourth Proportional to 3,745.31, 5,617.96 and 2,099.39

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Solution

The fourth proportional to 3,745.31, 5,617.96 and 2,099.39 is: 3,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.31 : 5,617.96 = 2,099.39 : x
  2. Step 2: Convert to fraction form
    3,745.31/5,617.96 = 2,099.39/x
  3. Step 3: Cross multiply
    3,745.31x = 5,617.96 × 2,099.39
  4. Step 4: Simplify right side
    3,745.31x = 11,794,255.71
  5. Step 5: Solve for x
    x = 11,794,255.71/3,745.31
  6. Step 6: Final answer
    x = 3,149.08

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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.