Home / 3,163.20-4,368.38-2,609.16

Finding the Fourth Proportional to 3,163.20, 4,368.38 and 2,609.16

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Solution

The fourth proportional to 3,163.20, 4,368.38 and 2,609.16 is: 3,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.20 : 4,368.38 = 2,609.16 : x
  2. Step 2: Convert to fraction form
    3,163.20/4,368.38 = 2,609.16/x
  3. Step 3: Cross multiply
    3,163.20x = 4,368.38 × 2,609.16
  4. Step 4: Simplify right side
    3,163.20x = 11,397,789.32
  5. Step 5: Solve for x
    x = 11,397,789.32/3,163.20
  6. Step 6: Final answer
    x = 3,603.25

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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.