Home / 2,791.16-4,186.74-1,635.32

Finding the Fourth Proportional to 2,791.16, 4,186.74 and 1,635.32

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Solution

The fourth proportional to 2,791.16, 4,186.74 and 1,635.32 is: 2,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.16 : 4,186.74 = 1,635.32 : x
  2. Step 2: Convert to fraction form
    2,791.16/4,186.74 = 1,635.32/x
  3. Step 3: Cross multiply
    2,791.16x = 4,186.74 × 1,635.32
  4. Step 4: Simplify right side
    2,791.16x = 6,846,659.66
  5. Step 5: Solve for x
    x = 6,846,659.66/2,791.16
  6. Step 6: Final answer
    x = 2,452.98

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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.