Home / 3,017.22-4,163.85-1,690.89

Finding the Fourth Proportional to 3,017.22, 4,163.85 and 1,690.89

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Solution

The fourth proportional to 3,017.22, 4,163.85 and 1,690.89 is: 2,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.22 : 4,163.85 = 1,690.89 : x
  2. Step 2: Convert to fraction form
    3,017.22/4,163.85 = 1,690.89/x
  3. Step 3: Cross multiply
    3,017.22x = 4,163.85 × 1,690.89
  4. Step 4: Simplify right side
    3,017.22x = 7,040,612.33
  5. Step 5: Solve for x
    x = 7,040,612.33/3,017.22
  6. Step 6: Final answer
    x = 2,333.48

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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.