Home / 2,177.34-3,266.82-1,203.18

Finding the Fourth Proportional to 2,177.34, 3,266.82 and 1,203.18

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Solution

The fourth proportional to 2,177.34, 3,266.82 and 1,203.18 is: 1,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.34 : 3,266.82 = 1,203.18 : x
  2. Step 2: Convert to fraction form
    2,177.34/3,266.82 = 1,203.18/x
  3. Step 3: Cross multiply
    2,177.34x = 3,266.82 × 1,203.18
  4. Step 4: Simplify right side
    2,177.34x = 3,930,572.49
  5. Step 5: Solve for x
    x = 3,930,572.49/2,177.34
  6. Step 6: Final answer
    x = 1,805.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.