Home / 1,742.05-2,608.35-1,195.30

Finding the Fourth Proportional to 1,742.05, 2,608.35 and 1,195.30

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Solution

The fourth proportional to 1,742.05, 2,608.35 and 1,195.30 is: 1,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.05 : 2,608.35 = 1,195.30 : x
  2. Step 2: Convert to fraction form
    1,742.05/2,608.35 = 1,195.30/x
  3. Step 3: Cross multiply
    1,742.05x = 2,608.35 × 1,195.30
  4. Step 4: Simplify right side
    1,742.05x = 3,117,760.76
  5. Step 5: Solve for x
    x = 3,117,760.76/1,742.05
  6. Step 6: Final answer
    x = 1,789.71

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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.