Home / 2,028.29-2,803.92-2,009.61

Finding the Fourth Proportional to 2,028.29, 2,803.92 and 2,009.61

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Solution

The fourth proportional to 2,028.29, 2,803.92 and 2,009.61 is: 2,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.29 : 2,803.92 = 2,009.61 : x
  2. Step 2: Convert to fraction form
    2,028.29/2,803.92 = 2,009.61/x
  3. Step 3: Cross multiply
    2,028.29x = 2,803.92 × 2,009.61
  4. Step 4: Simplify right side
    2,028.29x = 5,634,778.14
  5. Step 5: Solve for x
    x = 5,634,778.14/2,028.29
  6. Step 6: Final answer
    x = 2,778.09

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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.