Home / 2,292.13-3,171.48-1,998.01

Finding the Fourth Proportional to 2,292.13, 3,171.48 and 1,998.01

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Solution

The fourth proportional to 2,292.13, 3,171.48 and 1,998.01 is: 2,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.13 : 3,171.48 = 1,998.01 : x
  2. Step 2: Convert to fraction form
    2,292.13/3,171.48 = 1,998.01/x
  3. Step 3: Cross multiply
    2,292.13x = 3,171.48 × 1,998.01
  4. Step 4: Simplify right side
    2,292.13x = 6,336,648.75
  5. Step 5: Solve for x
    x = 6,336,648.75/2,292.13
  6. Step 6: Final answer
    x = 2,764.52

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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.