Home / 2,151.06-3,221.52-2,077.14

Finding the Fourth Proportional to 2,151.06, 3,221.52 and 2,077.14

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Solution

The fourth proportional to 2,151.06, 3,221.52 and 2,077.14 is: 3,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.06 : 3,221.52 = 2,077.14 : x
  2. Step 2: Convert to fraction form
    2,151.06/3,221.52 = 2,077.14/x
  3. Step 3: Cross multiply
    2,151.06x = 3,221.52 × 2,077.14
  4. Step 4: Simplify right side
    2,151.06x = 6,691,548.05
  5. Step 5: Solve for x
    x = 6,691,548.05/2,151.06
  6. Step 6: Final answer
    x = 3,110.81

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1.5x scale

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.