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Finding the Fourth Proportional to 1,701.78, 2,348.44 and 994.11

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Solution

The fourth proportional to 1,701.78, 2,348.44 and 994.11 is: 1,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.78 : 2,348.44 = 994.11 : x
  2. Step 2: Convert to fraction form
    1,701.78/2,348.44 = 994.11/x
  3. Step 3: Cross multiply
    1,701.78x = 2,348.44 × 994.11
  4. Step 4: Simplify right side
    1,701.78x = 2,334,607.69
  5. Step 5: Solve for x
    x = 2,334,607.69/1,701.78
  6. Step 6: Final answer
    x = 1,371.86

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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.