Home / 2,622.32-3,930.13-1,232.58

Finding the Fourth Proportional to 2,622.32, 3,930.13 and 1,232.58

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Solution

The fourth proportional to 2,622.32, 3,930.13 and 1,232.58 is: 1,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.32 : 3,930.13 = 1,232.58 : x
  2. Step 2: Convert to fraction form
    2,622.32/3,930.13 = 1,232.58/x
  3. Step 3: Cross multiply
    2,622.32x = 3,930.13 × 1,232.58
  4. Step 4: Simplify right side
    2,622.32x = 4,844,199.64
  5. Step 5: Solve for x
    x = 4,844,199.64/2,622.32
  6. Step 6: Final answer
    x = 1,847.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.