Home / 2,791.25-4,184.49-1,146.77

Finding the Fourth Proportional to 2,791.25, 4,184.49 and 1,146.77

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Solution

The fourth proportional to 2,791.25, 4,184.49 and 1,146.77 is: 1,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.25 : 4,184.49 = 1,146.77 : x
  2. Step 2: Convert to fraction form
    2,791.25/4,184.49 = 1,146.77/x
  3. Step 3: Cross multiply
    2,791.25x = 4,184.49 × 1,146.77
  4. Step 4: Simplify right side
    2,791.25x = 4,798,647.60
  5. Step 5: Solve for x
    x = 4,798,647.60/2,791.25
  6. Step 6: Final answer
    x = 1,719.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.