Home / 3,360.89-5,037.19-2,622.78

Finding the Fourth Proportional to 3,360.89, 5,037.19 and 2,622.78

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Solution

The fourth proportional to 3,360.89, 5,037.19 and 2,622.78 is: 3,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.89 : 5,037.19 = 2,622.78 : x
  2. Step 2: Convert to fraction form
    3,360.89/5,037.19 = 2,622.78/x
  3. Step 3: Cross multiply
    3,360.89x = 5,037.19 × 2,622.78
  4. Step 4: Simplify right side
    3,360.89x = 13,211,434.63
  5. Step 5: Solve for x
    x = 13,211,434.63/3,360.89
  6. Step 6: Final answer
    x = 3,930.93

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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.