Home / 2,028.80-2,799.74-1,097.30

Finding the Fourth Proportional to 2,028.80, 2,799.74 and 1,097.30

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Solution

The fourth proportional to 2,028.80, 2,799.74 and 1,097.30 is: 1,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.80 : 2,799.74 = 1,097.30 : x
  2. Step 2: Convert to fraction form
    2,028.80/2,799.74 = 1,097.30/x
  3. Step 3: Cross multiply
    2,028.80x = 2,799.74 × 1,097.30
  4. Step 4: Simplify right side
    2,028.80x = 3,072,135.22
  5. Step 5: Solve for x
    x = 3,072,135.22/2,028.80
  6. Step 6: Final answer
    x = 1,514.27

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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.