Home / 2,028.79-2,799.92-1,232.05

Finding the Fourth Proportional to 2,028.79, 2,799.92 and 1,232.05

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Solution

The fourth proportional to 2,028.79, 2,799.92 and 1,232.05 is: 1,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.79 : 2,799.92 = 1,232.05 : x
  2. Step 2: Convert to fraction form
    2,028.79/2,799.92 = 1,232.05/x
  3. Step 3: Cross multiply
    2,028.79x = 2,799.92 × 1,232.05
  4. Step 4: Simplify right side
    2,028.79x = 3,449,641.44
  5. Step 5: Solve for x
    x = 3,449,641.44/2,028.79
  6. Step 6: Final answer
    x = 1,700.34

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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.