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Finding the Fourth Proportional to 1,704.93, 2,555.16 and 1,662

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Solution

The fourth proportional to 1,704.93, 2,555.16 and 1,662 is: 2,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.93 : 2,555.16 = 1,662 : x
  2. Step 2: Convert to fraction form
    1,704.93/2,555.16 = 1,662/x
  3. Step 3: Cross multiply
    1,704.93x = 2,555.16 × 1,662
  4. Step 4: Simplify right side
    1,704.93x = 4,246,675.92
  5. Step 5: Solve for x
    x = 4,246,675.92/1,704.93
  6. Step 6: Final answer
    x = 2,490.82

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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.