Home / 3,299.64-4,951.96-1,220.92

Finding the Fourth Proportional to 3,299.64, 4,951.96 and 1,220.92

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Solution

The fourth proportional to 3,299.64, 4,951.96 and 1,220.92 is: 1,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.64 : 4,951.96 = 1,220.92 : x
  2. Step 2: Convert to fraction form
    3,299.64/4,951.96 = 1,220.92/x
  3. Step 3: Cross multiply
    3,299.64x = 4,951.96 × 1,220.92
  4. Step 4: Simplify right side
    3,299.64x = 6,045,947.00
  5. Step 5: Solve for x
    x = 6,045,947.00/3,299.64
  6. Step 6: Final answer
    x = 1,832.31

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1.5x scale

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.