Home / 3,383.66-4,669.68-1,891.84

Finding the Fourth Proportional to 3,383.66, 4,669.68 and 1,891.84

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Solution

The fourth proportional to 3,383.66, 4,669.68 and 1,891.84 is: 2,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.66 : 4,669.68 = 1,891.84 : x
  2. Step 2: Convert to fraction form
    3,383.66/4,669.68 = 1,891.84/x
  3. Step 3: Cross multiply
    3,383.66x = 4,669.68 × 1,891.84
  4. Step 4: Simplify right side
    3,383.66x = 8,834,287.41
  5. Step 5: Solve for x
    x = 8,834,287.41/3,383.66
  6. Step 6: Final answer
    x = 2,610.87

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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.