Home / 2,195.16-3,028.77-1,298.76

Finding the Fourth Proportional to 2,195.16, 3,028.77 and 1,298.76

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Solution

The fourth proportional to 2,195.16, 3,028.77 and 1,298.76 is: 1,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.16 : 3,028.77 = 1,298.76 : x
  2. Step 2: Convert to fraction form
    2,195.16/3,028.77 = 1,298.76/x
  3. Step 3: Cross multiply
    2,195.16x = 3,028.77 × 1,298.76
  4. Step 4: Simplify right side
    2,195.16x = 3,933,645.33
  5. Step 5: Solve for x
    x = 3,933,645.33/2,195.16
  6. Step 6: Final answer
    x = 1,791.96

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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.