Home / 3,745.38-5,170.86-3,330.24

Finding the Fourth Proportional to 3,745.38, 5,170.86 and 3,330.24

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Solution

The fourth proportional to 3,745.38, 5,170.86 and 3,330.24 is: 4,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.38 : 5,170.86 = 3,330.24 : x
  2. Step 2: Convert to fraction form
    3,745.38/5,170.86 = 3,330.24/x
  3. Step 3: Cross multiply
    3,745.38x = 5,170.86 × 3,330.24
  4. Step 4: Simplify right side
    3,745.38x = 17,220,204.81
  5. Step 5: Solve for x
    x = 17,220,204.81/3,745.38
  6. Step 6: Final answer
    x = 4,597.72

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Half scale
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Double scale
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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.