Home / 2,028.33-2,798.96-1,143.96

Finding the Fourth Proportional to 2,028.33, 2,798.96 and 1,143.96

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Solution

The fourth proportional to 2,028.33, 2,798.96 and 1,143.96 is: 1,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.33 : 2,798.96 = 1,143.96 : x
  2. Step 2: Convert to fraction form
    2,028.33/2,798.96 = 1,143.96/x
  3. Step 3: Cross multiply
    2,028.33x = 2,798.96 × 1,143.96
  4. Step 4: Simplify right side
    2,028.33x = 3,201,901.11
  5. Step 5: Solve for x
    x = 3,201,901.11/2,028.33
  6. Step 6: Final answer
    x = 1,578.59

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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.