Home / 2,195.42-3,028.66-1,263.38

Finding the Fourth Proportional to 2,195.42, 3,028.66 and 1,263.38

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Solution

The fourth proportional to 2,195.42, 3,028.66 and 1,263.38 is: 1,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.42 : 3,028.66 = 1,263.38 : x
  2. Step 2: Convert to fraction form
    2,195.42/3,028.66 = 1,263.38/x
  3. Step 3: Cross multiply
    2,195.42x = 3,028.66 × 1,263.38
  4. Step 4: Simplify right side
    2,195.42x = 3,826,330.17
  5. Step 5: Solve for x
    x = 3,826,330.17/2,195.42
  6. Step 6: Final answer
    x = 1,742.87

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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.