Home / 3,119.20-4,644.83-3,084.68

Finding the Fourth Proportional to 3,119.20, 4,644.83 and 3,084.68

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Solution

The fourth proportional to 3,119.20, 4,644.83 and 3,084.68 is: 4,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.20 : 4,644.83 = 3,084.68 : x
  2. Step 2: Convert to fraction form
    3,119.20/4,644.83 = 3,084.68/x
  3. Step 3: Cross multiply
    3,119.20x = 4,644.83 × 3,084.68
  4. Step 4: Simplify right side
    3,119.20x = 14,327,816.18
  5. Step 5: Solve for x
    x = 14,327,816.18/3,119.20
  6. Step 6: Final answer
    x = 4,593.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.