Home / 1,516.38-2,093.22-985.44

Finding the Fourth Proportional to 1,516.38, 2,093.22 and 985.44

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Solution

The fourth proportional to 1,516.38, 2,093.22 and 985.44 is: 1,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.38 : 2,093.22 = 985.44 : x
  2. Step 2: Convert to fraction form
    1,516.38/2,093.22 = 985.44/x
  3. Step 3: Cross multiply
    1,516.38x = 2,093.22 × 985.44
  4. Step 4: Simplify right side
    1,516.38x = 2,062,742.72
  5. Step 5: Solve for x
    x = 2,062,742.72/1,516.38
  6. Step 6: Final answer
    x = 1,360.31

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1.5x scale

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.