Home / 3,459.38-5,163.48-3,215.57

Finding the Fourth Proportional to 3,459.38, 5,163.48 and 3,215.57

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Solution

The fourth proportional to 3,459.38, 5,163.48 and 3,215.57 is: 4,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.38 : 5,163.48 = 3,215.57 : x
  2. Step 2: Convert to fraction form
    3,459.38/5,163.48 = 3,215.57/x
  3. Step 3: Cross multiply
    3,459.38x = 5,163.48 × 3,215.57
  4. Step 4: Simplify right side
    3,459.38x = 16,603,505.57
  5. Step 5: Solve for x
    x = 16,603,505.57/3,459.38
  6. Step 6: Final answer
    x = 4,799.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.