Home / 2,028.76-2,799.75-1,177.94

Finding the Fourth Proportional to 2,028.76, 2,799.75 and 1,177.94

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Solution

The fourth proportional to 2,028.76, 2,799.75 and 1,177.94 is: 1,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.76 : 2,799.75 = 1,177.94 : x
  2. Step 2: Convert to fraction form
    2,028.76/2,799.75 = 1,177.94/x
  3. Step 3: Cross multiply
    2,028.76x = 2,799.75 × 1,177.94
  4. Step 4: Simplify right side
    2,028.76x = 3,297,948.93
  5. Step 5: Solve for x
    x = 3,297,948.93/2,028.76
  6. Step 6: Final answer
    x = 1,625.60

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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.