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Finding the Fourth Proportional to 2,695.26, 3,719.28 and 1,500.38

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Solution

The fourth proportional to 2,695.26, 3,719.28 and 1,500.38 is: 2,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.26 : 3,719.28 = 1,500.38 : x
  2. Step 2: Convert to fraction form
    2,695.26/3,719.28 = 1,500.38/x
  3. Step 3: Cross multiply
    2,695.26x = 3,719.28 × 1,500.38
  4. Step 4: Simplify right side
    2,695.26x = 5,580,333.33
  5. Step 5: Solve for x
    x = 5,580,333.33/2,695.26
  6. Step 6: Final answer
    x = 2,070.42

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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.