Home / 3,966.65-5,473.67-2,198.22

Finding the Fourth Proportional to 3,966.65, 5,473.67 and 2,198.22

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Solution

The fourth proportional to 3,966.65, 5,473.67 and 2,198.22 is: 3,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.65 : 5,473.67 = 2,198.22 : x
  2. Step 2: Convert to fraction form
    3,966.65/5,473.67 = 2,198.22/x
  3. Step 3: Cross multiply
    3,966.65x = 5,473.67 × 2,198.22
  4. Step 4: Simplify right side
    3,966.65x = 12,032,303.50
  5. Step 5: Solve for x
    x = 12,032,303.50/3,966.65
  6. Step 6: Final answer
    x = 3,033.37

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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.