Home / 3,017.21-4,163.36-1,691.16

Finding the Fourth Proportional to 3,017.21, 4,163.36 and 1,691.16

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Solution

The fourth proportional to 3,017.21, 4,163.36 and 1,691.16 is: 2,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.21 : 4,163.36 = 1,691.16 : x
  2. Step 2: Convert to fraction form
    3,017.21/4,163.36 = 1,691.16/x
  3. Step 3: Cross multiply
    3,017.21x = 4,163.36 × 1,691.16
  4. Step 4: Simplify right side
    3,017.21x = 7,040,899.44
  5. Step 5: Solve for x
    x = 7,040,899.44/3,017.21
  6. Step 6: Final answer
    x = 2,333.58

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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.