Home / 3,383.38-4,669.14-2,390.41

Finding the Fourth Proportional to 3,383.38, 4,669.14 and 2,390.41

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Solution

The fourth proportional to 3,383.38, 4,669.14 and 2,390.41 is: 3,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.38 : 4,669.14 = 2,390.41 : x
  2. Step 2: Convert to fraction form
    3,383.38/4,669.14 = 2,390.41/x
  3. Step 3: Cross multiply
    3,383.38x = 4,669.14 × 2,390.41
  4. Step 4: Simplify right side
    3,383.38x = 11,161,158.95
  5. Step 5: Solve for x
    x = 11,161,158.95/3,383.38
  6. Step 6: Final answer
    x = 3,298.82

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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.