Home / 3,439.32-4,746.78-2,321.88

Finding the Fourth Proportional to 3,439.32, 4,746.78 and 2,321.88

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Solution

The fourth proportional to 3,439.32, 4,746.78 and 2,321.88 is: 3,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.32 : 4,746.78 = 2,321.88 : x
  2. Step 2: Convert to fraction form
    3,439.32/4,746.78 = 2,321.88/x
  3. Step 3: Cross multiply
    3,439.32x = 4,746.78 × 2,321.88
  4. Step 4: Simplify right side
    3,439.32x = 11,021,453.55
  5. Step 5: Solve for x
    x = 11,021,453.55/3,439.32
  6. Step 6: Final answer
    x = 3,204.54

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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.