Home / 3,219.48-4,827.40-2,944.28

Finding the Fourth Proportional to 3,219.48, 4,827.40 and 2,944.28

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Solution

The fourth proportional to 3,219.48, 4,827.40 and 2,944.28 is: 4,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.48 : 4,827.40 = 2,944.28 : x
  2. Step 2: Convert to fraction form
    3,219.48/4,827.40 = 2,944.28/x
  3. Step 3: Cross multiply
    3,219.48x = 4,827.40 × 2,944.28
  4. Step 4: Simplify right side
    3,219.48x = 14,213,221.98
  5. Step 5: Solve for x
    x = 14,213,221.98/3,219.48
  6. Step 6: Final answer
    x = 4,414.76

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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.