Home / 2,092.20-2,887.16-1,208.14

Finding the Fourth Proportional to 2,092.20, 2,887.16 and 1,208.14

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Solution

The fourth proportional to 2,092.20, 2,887.16 and 1,208.14 is: 1,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.20 : 2,887.16 = 1,208.14 : x
  2. Step 2: Convert to fraction form
    2,092.20/2,887.16 = 1,208.14/x
  3. Step 3: Cross multiply
    2,092.20x = 2,887.16 × 1,208.14
  4. Step 4: Simplify right side
    2,092.20x = 3,488,093.48
  5. Step 5: Solve for x
    x = 3,488,093.48/2,092.20
  6. Step 6: Final answer
    x = 1,667.19

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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.