Home / 2,291.16-3,449.12-2,087.04

Finding the Fourth Proportional to 2,291.16, 3,449.12 and 2,087.04

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Solution

The fourth proportional to 2,291.16, 3,449.12 and 2,087.04 is: 3,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.16 : 3,449.12 = 2,087.04 : x
  2. Step 2: Convert to fraction form
    2,291.16/3,449.12 = 2,087.04/x
  3. Step 3: Cross multiply
    2,291.16x = 3,449.12 × 2,087.04
  4. Step 4: Simplify right side
    2,291.16x = 7,198,451.40
  5. Step 5: Solve for x
    x = 7,198,451.40/2,291.16
  6. Step 6: Final answer
    x = 3,141.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.