Home / 2,101.08-3,146.76-2,028.18

Finding the Fourth Proportional to 2,101.08, 3,146.76 and 2,028.18

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Solution

The fourth proportional to 2,101.08, 3,146.76 and 2,028.18 is: 3,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.08 : 3,146.76 = 2,028.18 : x
  2. Step 2: Convert to fraction form
    2,101.08/3,146.76 = 2,028.18/x
  3. Step 3: Cross multiply
    2,101.08x = 3,146.76 × 2,028.18
  4. Step 4: Simplify right side
    2,101.08x = 6,382,195.70
  5. Step 5: Solve for x
    x = 6,382,195.70/2,101.08
  6. Step 6: Final answer
    x = 3,037.58

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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.