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Finding the Fourth Proportional to 1,266.66, 1,890.82 and 1,094.43

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Solution

The fourth proportional to 1,266.66, 1,890.82 and 1,094.43 is: 1,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.66 : 1,890.82 = 1,094.43 : x
  2. Step 2: Convert to fraction form
    1,266.66/1,890.82 = 1,094.43/x
  3. Step 3: Cross multiply
    1,266.66x = 1,890.82 × 1,094.43
  4. Step 4: Simplify right side
    1,266.66x = 2,069,367.40
  5. Step 5: Solve for x
    x = 2,069,367.40/1,266.66
  6. Step 6: Final answer
    x = 1,633.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.