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Finding the Fourth Proportional to 1,341.13, 1,850.35 and 844.26

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Solution

The fourth proportional to 1,341.13, 1,850.35 and 844.26 is: 1,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.13 : 1,850.35 = 844.26 : x
  2. Step 2: Convert to fraction form
    1,341.13/1,850.35 = 844.26/x
  3. Step 3: Cross multiply
    1,341.13x = 1,850.35 × 844.26
  4. Step 4: Simplify right side
    1,341.13x = 1,562,172.27
  5. Step 5: Solve for x
    x = 1,562,172.27/1,341.13
  6. Step 6: Final answer
    x = 1,164.82

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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.