Home / 3,867.12-5,336.74-2,098.84

Finding the Fourth Proportional to 3,867.12, 5,336.74 and 2,098.84

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Solution

The fourth proportional to 3,867.12, 5,336.74 and 2,098.84 is: 2,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.12 : 5,336.74 = 2,098.84 : x
  2. Step 2: Convert to fraction form
    3,867.12/5,336.74 = 2,098.84/x
  3. Step 3: Cross multiply
    3,867.12x = 5,336.74 × 2,098.84
  4. Step 4: Simplify right side
    3,867.12x = 11,200,935.85
  5. Step 5: Solve for x
    x = 11,200,935.85/3,867.12
  6. Step 6: Final answer
    x = 2,896.46

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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.