Home / 3,331.23-4,996.84-1,384.80

Finding the Fourth Proportional to 3,331.23, 4,996.84 and 1,384.80

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Solution

The fourth proportional to 3,331.23, 4,996.84 and 1,384.80 is: 2,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.23 : 4,996.84 = 1,384.80 : x
  2. Step 2: Convert to fraction form
    3,331.23/4,996.84 = 1,384.80/x
  3. Step 3: Cross multiply
    3,331.23x = 4,996.84 × 1,384.80
  4. Step 4: Simplify right side
    3,331.23x = 6,919,604.43
  5. Step 5: Solve for x
    x = 6,919,604.43/3,331.23
  6. Step 6: Final answer
    x = 2,077.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.