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Finding the Fourth Proportional to 2,695.22, 3,719.98 and 1,516.66

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Solution

The fourth proportional to 2,695.22, 3,719.98 and 1,516.66 is: 2,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.22 : 3,719.98 = 1,516.66 : x
  2. Step 2: Convert to fraction form
    2,695.22/3,719.98 = 1,516.66/x
  3. Step 3: Cross multiply
    2,695.22x = 3,719.98 × 1,516.66
  4. Step 4: Simplify right side
    2,695.22x = 5,641,944.87
  5. Step 5: Solve for x
    x = 5,641,944.87/2,695.22
  6. Step 6: Final answer
    x = 2,093.32

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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.