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Finding the Fourth Proportional to 1,841.17, 2,762.78 and 801.94

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Solution

The fourth proportional to 1,841.17, 2,762.78 and 801.94 is: 1,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.17 : 2,762.78 = 801.94 : x
  2. Step 2: Convert to fraction form
    1,841.17/2,762.78 = 801.94/x
  3. Step 3: Cross multiply
    1,841.17x = 2,762.78 × 801.94
  4. Step 4: Simplify right side
    1,841.17x = 2,215,583.79
  5. Step 5: Solve for x
    x = 2,215,583.79/1,841.17
  6. Step 6: Final answer
    x = 1,203.36

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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.