Home / 2,213.44-3,054.66-1,218.76

Finding the Fourth Proportional to 2,213.44, 3,054.66 and 1,218.76

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Solution

The fourth proportional to 2,213.44, 3,054.66 and 1,218.76 is: 1,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.44 : 3,054.66 = 1,218.76 : x
  2. Step 2: Convert to fraction form
    2,213.44/3,054.66 = 1,218.76/x
  3. Step 3: Cross multiply
    2,213.44x = 3,054.66 × 1,218.76
  4. Step 4: Simplify right side
    2,213.44x = 3,722,897.42
  5. Step 5: Solve for x
    x = 3,722,897.42/2,213.44
  6. Step 6: Final answer
    x = 1,681.95

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.