Home / 3,033.83-4,186.68-1,689.44

Finding the Fourth Proportional to 3,033.83, 4,186.68 and 1,689.44

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Solution

The fourth proportional to 3,033.83, 4,186.68 and 1,689.44 is: 2,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.83 : 4,186.68 = 1,689.44 : x
  2. Step 2: Convert to fraction form
    3,033.83/4,186.68 = 1,689.44/x
  3. Step 3: Cross multiply
    3,033.83x = 4,186.68 × 1,689.44
  4. Step 4: Simplify right side
    3,033.83x = 7,073,144.66
  5. Step 5: Solve for x
    x = 7,073,144.66/3,033.83
  6. Step 6: Final answer
    x = 2,331.42

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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.