Home / 2,244.10-3,109.98-2,212.78

Finding the Fourth Proportional to 2,244.10, 3,109.98 and 2,212.78

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Solution

The fourth proportional to 2,244.10, 3,109.98 and 2,212.78 is: 3,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.10 : 3,109.98 = 2,212.78 : x
  2. Step 2: Convert to fraction form
    2,244.10/3,109.98 = 2,212.78/x
  3. Step 3: Cross multiply
    2,244.10x = 3,109.98 × 2,212.78
  4. Step 4: Simplify right side
    2,244.10x = 6,881,701.54
  5. Step 5: Solve for x
    x = 6,881,701.54/2,244.10
  6. Step 6: Final answer
    x = 3,066.58

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.