Home / 3,438.38-4,745.36-3,227.27

Finding the Fourth Proportional to 3,438.38, 4,745.36 and 3,227.27

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Solution

The fourth proportional to 3,438.38, 4,745.36 and 3,227.27 is: 4,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.38 : 4,745.36 = 3,227.27 : x
  2. Step 2: Convert to fraction form
    3,438.38/4,745.36 = 3,227.27/x
  3. Step 3: Cross multiply
    3,438.38x = 4,745.36 × 3,227.27
  4. Step 4: Simplify right side
    3,438.38x = 15,314,542.31
  5. Step 5: Solve for x
    x = 15,314,542.31/3,438.38
  6. Step 6: Final answer
    x = 4,454.00

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Half scale
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Double scale
Find fourth proportional to 3,439.38, 4,746.74 and 3,228.27
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1.5x scale

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.