Home / 2,691.56-4,035.78-1,505.96

Finding the Fourth Proportional to 2,691.56, 4,035.78 and 1,505.96

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Solution

The fourth proportional to 2,691.56, 4,035.78 and 1,505.96 is: 2,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.56 : 4,035.78 = 1,505.96 : x
  2. Step 2: Convert to fraction form
    2,691.56/4,035.78 = 1,505.96/x
  3. Step 3: Cross multiply
    2,691.56x = 4,035.78 × 1,505.96
  4. Step 4: Simplify right side
    2,691.56x = 6,077,723.25
  5. Step 5: Solve for x
    x = 6,077,723.25/2,691.56
  6. Step 6: Final answer
    x = 2,258.07

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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.