Home / 3,867.12-5,336.66-2,098.76

Finding the Fourth Proportional to 3,867.12, 5,336.66 and 2,098.76

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Solution

The fourth proportional to 3,867.12, 5,336.66 and 2,098.76 is: 2,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.12 : 5,336.66 = 2,098.76 : x
  2. Step 2: Convert to fraction form
    3,867.12/5,336.66 = 2,098.76/x
  3. Step 3: Cross multiply
    3,867.12x = 5,336.66 × 2,098.76
  4. Step 4: Simplify right side
    3,867.12x = 11,200,347.11
  5. Step 5: Solve for x
    x = 11,200,347.11/3,867.12
  6. Step 6: Final answer
    x = 2,896.30

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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.