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Finding the Fourth Proportional to 2,605.68, 3,593.97 and 1,660.50

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Solution

The fourth proportional to 2,605.68, 3,593.97 and 1,660.50 is: 2,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.68 : 3,593.97 = 1,660.50 : x
  2. Step 2: Convert to fraction form
    2,605.68/3,593.97 = 1,660.50/x
  3. Step 3: Cross multiply
    2,605.68x = 3,593.97 × 1,660.50
  4. Step 4: Simplify right side
    2,605.68x = 5,967,787.19
  5. Step 5: Solve for x
    x = 5,967,787.19/2,605.68
  6. Step 6: Final answer
    x = 2,290.30

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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.