Home / 2,321.67-3,203.91-1,327.14

Finding the Fourth Proportional to 2,321.67, 3,203.91 and 1,327.14

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Solution

The fourth proportional to 2,321.67, 3,203.91 and 1,327.14 is: 1,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.67 : 3,203.91 = 1,327.14 : x
  2. Step 2: Convert to fraction form
    2,321.67/3,203.91 = 1,327.14/x
  3. Step 3: Cross multiply
    2,321.67x = 3,203.91 × 1,327.14
  4. Step 4: Simplify right side
    2,321.67x = 4,252,037.12
  5. Step 5: Solve for x
    x = 4,252,037.12/2,321.67
  6. Step 6: Final answer
    x = 1,831.46

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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.