Home / 2,321.34-3,203.85-1,622.22

Finding the Fourth Proportional to 2,321.34, 3,203.85 and 1,622.22

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Solution

The fourth proportional to 2,321.34, 3,203.85 and 1,622.22 is: 2,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.34 : 3,203.85 = 1,622.22 : x
  2. Step 2: Convert to fraction form
    2,321.34/3,203.85 = 1,622.22/x
  3. Step 3: Cross multiply
    2,321.34x = 3,203.85 × 1,622.22
  4. Step 4: Simplify right side
    2,321.34x = 5,197,349.55
  5. Step 5: Solve for x
    x = 5,197,349.55/2,321.34
  6. Step 6: Final answer
    x = 2,238.94

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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.