Home / 2,619.27-3,927.29-1,695.87

Finding the Fourth Proportional to 2,619.27, 3,927.29 and 1,695.87

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Solution

The fourth proportional to 2,619.27, 3,927.29 and 1,695.87 is: 2,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.27 : 3,927.29 = 1,695.87 : x
  2. Step 2: Convert to fraction form
    2,619.27/3,927.29 = 1,695.87/x
  3. Step 3: Cross multiply
    2,619.27x = 3,927.29 × 1,695.87
  4. Step 4: Simplify right side
    2,619.27x = 6,660,164.81
  5. Step 5: Solve for x
    x = 6,660,164.81/2,619.27
  6. Step 6: Final answer
    x = 2,542.76

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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.