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Finding the Fourth Proportional to 2,339.22, 3,230.84 and 1,551.90

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Solution

The fourth proportional to 2,339.22, 3,230.84 and 1,551.90 is: 2,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.22 : 3,230.84 = 1,551.90 : x
  2. Step 2: Convert to fraction form
    2,339.22/3,230.84 = 1,551.90/x
  3. Step 3: Cross multiply
    2,339.22x = 3,230.84 × 1,551.90
  4. Step 4: Simplify right side
    2,339.22x = 5,013,940.60
  5. Step 5: Solve for x
    x = 5,013,940.60/2,339.22
  6. Step 6: Final answer
    x = 2,143.42

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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.