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Finding the Fourth Proportional to 1,844.52, 2,766.78 and 803.67

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Solution

The fourth proportional to 1,844.52, 2,766.78 and 803.67 is: 1,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.52 : 2,766.78 = 803.67 : x
  2. Step 2: Convert to fraction form
    1,844.52/2,766.78 = 803.67/x
  3. Step 3: Cross multiply
    1,844.52x = 2,766.78 × 803.67
  4. Step 4: Simplify right side
    1,844.52x = 2,223,578.08
  5. Step 5: Solve for x
    x = 2,223,578.08/1,844.52
  6. Step 6: Final answer
    x = 1,205.51

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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.