Home / 4,074.82-5,617.68-2,798.66

Finding the Fourth Proportional to 4,074.82, 5,617.68 and 2,798.66

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Solution

The fourth proportional to 4,074.82, 5,617.68 and 2,798.66 is: 3,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.82 : 5,617.68 = 2,798.66 : x
  2. Step 2: Convert to fraction form
    4,074.82/5,617.68 = 2,798.66/x
  3. Step 3: Cross multiply
    4,074.82x = 5,617.68 × 2,798.66
  4. Step 4: Simplify right side
    4,074.82x = 15,721,976.31
  5. Step 5: Solve for x
    x = 15,721,976.31/4,074.82
  6. Step 6: Final answer
    x = 3,858.32

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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.