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Finding the Fourth Proportional to 2,351.60, 3,245.40 and 1,304

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Solution

The fourth proportional to 2,351.60, 3,245.40 and 1,304 is: 1,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.60 : 3,245.40 = 1,304 : x
  2. Step 2: Convert to fraction form
    2,351.60/3,245.40 = 1,304/x
  3. Step 3: Cross multiply
    2,351.60x = 3,245.40 × 1,304
  4. Step 4: Simplify right side
    2,351.60x = 4,232,001.60
  5. Step 5: Solve for x
    x = 4,232,001.60/2,351.60
  6. Step 6: Final answer
    x = 1,799.63

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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.