Home / 3,745.14-5,621.50-2,188.11

Finding the Fourth Proportional to 3,745.14, 5,621.50 and 2,188.11

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Solution

The fourth proportional to 3,745.14, 5,621.50 and 2,188.11 is: 3,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.14 : 5,621.50 = 2,188.11 : x
  2. Step 2: Convert to fraction form
    3,745.14/5,621.50 = 2,188.11/x
  3. Step 3: Cross multiply
    3,745.14x = 5,621.50 × 2,188.11
  4. Step 4: Simplify right side
    3,745.14x = 12,300,484.18
  5. Step 5: Solve for x
    x = 12,300,484.18/3,745.14
  6. Step 6: Final answer
    x = 3,284.39

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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.