Home / 3,383.30-4,669.38-2,124.43

Finding the Fourth Proportional to 3,383.30, 4,669.38 and 2,124.43

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Solution

The fourth proportional to 3,383.30, 4,669.38 and 2,124.43 is: 2,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.30 : 4,669.38 = 2,124.43 : x
  2. Step 2: Convert to fraction form
    3,383.30/4,669.38 = 2,124.43/x
  3. Step 3: Cross multiply
    3,383.30x = 4,669.38 × 2,124.43
  4. Step 4: Simplify right side
    3,383.30x = 9,919,759.28
  5. Step 5: Solve for x
    x = 9,919,759.28/3,383.30
  6. Step 6: Final answer
    x = 2,931.98

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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.