Home / 1,822.18-2,733.27-667.66

Finding the Fourth Proportional to 1,822.18, 2,733.27 and 667.66

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Solution

The fourth proportional to 1,822.18, 2,733.27 and 667.66 is: 1,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.18 : 2,733.27 = 667.66 : x
  2. Step 2: Convert to fraction form
    1,822.18/2,733.27 = 667.66/x
  3. Step 3: Cross multiply
    1,822.18x = 2,733.27 × 667.66
  4. Step 4: Simplify right side
    1,822.18x = 1,824,895.05
  5. Step 5: Solve for x
    x = 1,824,895.05/1,822.18
  6. Step 6: Final answer
    x = 1,001.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.