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Finding the Fourth Proportional to 2,657.17, 3,666.97 and 1,608.63

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Solution

The fourth proportional to 2,657.17, 3,666.97 and 1,608.63 is: 2,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.17 : 3,666.97 = 1,608.63 : x
  2. Step 2: Convert to fraction form
    2,657.17/3,666.97 = 1,608.63/x
  3. Step 3: Cross multiply
    2,657.17x = 3,666.97 × 1,608.63
  4. Step 4: Simplify right side
    2,657.17x = 5,898,797.95
  5. Step 5: Solve for x
    x = 5,898,797.95/2,657.17
  6. Step 6: Final answer
    x = 2,219.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.