Home / 1,614.74-2,228.18-985.37

Finding the Fourth Proportional to 1,614.74, 2,228.18 and 985.37

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Solution

The fourth proportional to 1,614.74, 2,228.18 and 985.37 is: 1,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.74 : 2,228.18 = 985.37 : x
  2. Step 2: Convert to fraction form
    1,614.74/2,228.18 = 985.37/x
  3. Step 3: Cross multiply
    1,614.74x = 2,228.18 × 985.37
  4. Step 4: Simplify right side
    1,614.74x = 2,195,565.66
  5. Step 5: Solve for x
    x = 2,195,565.66/1,614.74
  6. Step 6: Final answer
    x = 1,359.71

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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.