Home / 2,321.91-3,203.55-1,326.99

Finding the Fourth Proportional to 2,321.91, 3,203.55 and 1,326.99

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Solution

The fourth proportional to 2,321.91, 3,203.55 and 1,326.99 is: 1,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.91 : 3,203.55 = 1,326.99 : x
  2. Step 2: Convert to fraction form
    2,321.91/3,203.55 = 1,326.99/x
  3. Step 3: Cross multiply
    2,321.91x = 3,203.55 × 1,326.99
  4. Step 4: Simplify right side
    2,321.91x = 4,251,078.81
  5. Step 5: Solve for x
    x = 4,251,078.81/2,321.91
  6. Step 6: Final answer
    x = 1,830.85

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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.