Home / 2,228.10-3,344.16-1,188.96

Finding the Fourth Proportional to 2,228.10, 3,344.16 and 1,188.96

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Solution

The fourth proportional to 2,228.10, 3,344.16 and 1,188.96 is: 1,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.10 : 3,344.16 = 1,188.96 : x
  2. Step 2: Convert to fraction form
    2,228.10/3,344.16 = 1,188.96/x
  3. Step 3: Cross multiply
    2,228.10x = 3,344.16 × 1,188.96
  4. Step 4: Simplify right side
    2,228.10x = 3,976,072.47
  5. Step 5: Solve for x
    x = 3,976,072.47/2,228.10
  6. Step 6: Final answer
    x = 1,784.51

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Double scale
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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.