Home / 3,321.05-4,583.07-1,828.90

Finding the Fourth Proportional to 3,321.05, 4,583.07 and 1,828.90

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Solution

The fourth proportional to 3,321.05, 4,583.07 and 1,828.90 is: 2,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.05 : 4,583.07 = 1,828.90 : x
  2. Step 2: Convert to fraction form
    3,321.05/4,583.07 = 1,828.90/x
  3. Step 3: Cross multiply
    3,321.05x = 4,583.07 × 1,828.90
  4. Step 4: Simplify right side
    3,321.05x = 8,381,944.66
  5. Step 5: Solve for x
    x = 8,381,944.66/3,321.05
  6. Step 6: Final answer
    x = 2,523.88

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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.