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Finding the Fourth Proportional to 1,617.06, 2,423.97 and 794.10

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Solution

The fourth proportional to 1,617.06, 2,423.97 and 794.10 is: 1,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.06 : 2,423.97 = 794.10 : x
  2. Step 2: Convert to fraction form
    1,617.06/2,423.97 = 794.10/x
  3. Step 3: Cross multiply
    1,617.06x = 2,423.97 × 794.10
  4. Step 4: Simplify right side
    1,617.06x = 1,924,874.58
  5. Step 5: Solve for x
    x = 1,924,874.58/1,617.06
  6. Step 6: Final answer
    x = 1,190.35

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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.