Home / 3,624.96-5,437.56-2,640.78

Finding the Fourth Proportional to 3,624.96, 5,437.56 and 2,640.78

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Solution

The fourth proportional to 3,624.96, 5,437.56 and 2,640.78 is: 3,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.96 : 5,437.56 = 2,640.78 : x
  2. Step 2: Convert to fraction form
    3,624.96/5,437.56 = 2,640.78/x
  3. Step 3: Cross multiply
    3,624.96x = 5,437.56 × 2,640.78
  4. Step 4: Simplify right side
    3,624.96x = 14,359,399.70
  5. Step 5: Solve for x
    x = 14,359,399.70/3,624.96
  6. Step 6: Final answer
    x = 3,961.26

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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.