Home / 2,790.39-3,851.88-1,796.94

Finding the Fourth Proportional to 2,790.39, 3,851.88 and 1,796.94

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Solution

The fourth proportional to 2,790.39, 3,851.88 and 1,796.94 is: 2,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.39 : 3,851.88 = 1,796.94 : x
  2. Step 2: Convert to fraction form
    2,790.39/3,851.88 = 1,796.94/x
  3. Step 3: Cross multiply
    2,790.39x = 3,851.88 × 1,796.94
  4. Step 4: Simplify right side
    2,790.39x = 6,921,597.25
  5. Step 5: Solve for x
    x = 6,921,597.25/2,790.39
  6. Step 6: Final answer
    x = 2,480.51

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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.