Home / 2,321.53-3,203.42-1,326.87

Finding the Fourth Proportional to 2,321.53, 3,203.42 and 1,326.87

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Solution

The fourth proportional to 2,321.53, 3,203.42 and 1,326.87 is: 1,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.53 : 3,203.42 = 1,326.87 : x
  2. Step 2: Convert to fraction form
    2,321.53/3,203.42 = 1,326.87/x
  3. Step 3: Cross multiply
    2,321.53x = 3,203.42 × 1,326.87
  4. Step 4: Simplify right side
    2,321.53x = 4,250,521.90
  5. Step 5: Solve for x
    x = 4,250,521.90/2,321.53
  6. Step 6: Final answer
    x = 1,830.91

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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.