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Finding the Fourth Proportional to 1,341.66, 1,850.90 and 843.96

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Solution

The fourth proportional to 1,341.66, 1,850.90 and 843.96 is: 1,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.66 : 1,850.90 = 843.96 : x
  2. Step 2: Convert to fraction form
    1,341.66/1,850.90 = 843.96/x
  3. Step 3: Cross multiply
    1,341.66x = 1,850.90 × 843.96
  4. Step 4: Simplify right side
    1,341.66x = 1,562,085.56
  5. Step 5: Solve for x
    x = 1,562,085.56/1,341.66
  6. Step 6: Final answer
    x = 1,164.29

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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.