Home / 2,197.82-3,034.04-1,666.80

Finding the Fourth Proportional to 2,197.82, 3,034.04 and 1,666.80

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Solution

The fourth proportional to 2,197.82, 3,034.04 and 1,666.80 is: 2,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.82 : 3,034.04 = 1,666.80 : x
  2. Step 2: Convert to fraction form
    2,197.82/3,034.04 = 1,666.80/x
  3. Step 3: Cross multiply
    2,197.82x = 3,034.04 × 1,666.80
  4. Step 4: Simplify right side
    2,197.82x = 5,057,129.54
  5. Step 5: Solve for x
    x = 5,057,129.54/2,197.82
  6. Step 6: Final answer
    x = 2,300.97

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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.