Home / 3,250.04-4,484.00-1,989.78

Finding the Fourth Proportional to 3,250.04, 4,484.00 and 1,989.78

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Solution

The fourth proportional to 3,250.04, 4,484.00 and 1,989.78 is: 2,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.04 : 4,484.00 = 1,989.78 : x
  2. Step 2: Convert to fraction form
    3,250.04/4,484.00 = 1,989.78/x
  3. Step 3: Cross multiply
    3,250.04x = 4,484.00 × 1,989.78
  4. Step 4: Simplify right side
    3,250.04x = 8,922,163.57
  5. Step 5: Solve for x
    x = 8,922,163.57/3,250.04
  6. Step 6: Final answer
    x = 2,745.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.