Home / 2,321.57-3,202.34-1,376.72

Finding the Fourth Proportional to 2,321.57, 3,202.34 and 1,376.72

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Solution

The fourth proportional to 2,321.57, 3,202.34 and 1,376.72 is: 1,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.57 : 3,202.34 = 1,376.72 : x
  2. Step 2: Convert to fraction form
    2,321.57/3,202.34 = 1,376.72/x
  3. Step 3: Cross multiply
    2,321.57x = 3,202.34 × 1,376.72
  4. Step 4: Simplify right side
    2,321.57x = 4,408,736.97
  5. Step 5: Solve for x
    x = 4,408,736.97/2,321.57
  6. Step 6: Final answer
    x = 1,899.04

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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.