Home / 3,321.56-4,984.38-1,373.75

Finding the Fourth Proportional to 3,321.56, 4,984.38 and 1,373.75

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Solution

The fourth proportional to 3,321.56, 4,984.38 and 1,373.75 is: 2,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.56 : 4,984.38 = 1,373.75 : x
  2. Step 2: Convert to fraction form
    3,321.56/4,984.38 = 1,373.75/x
  3. Step 3: Cross multiply
    3,321.56x = 4,984.38 × 1,373.75
  4. Step 4: Simplify right side
    3,321.56x = 6,847,285.16
  5. Step 5: Solve for x
    x = 6,847,285.16/3,321.56
  6. Step 6: Final answer
    x = 2,061.47

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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.