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Finding the Fourth Proportional to 3,920.56, 5,880.96 and 2,624.56

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Solution

The fourth proportional to 3,920.56, 5,880.96 and 2,624.56 is: 3,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.56 : 5,880.96 = 2,624.56 : x
  2. Step 2: Convert to fraction form
    3,920.56/5,880.96 = 2,624.56/x
  3. Step 3: Cross multiply
    3,920.56x = 5,880.96 × 2,624.56
  4. Step 4: Simplify right side
    3,920.56x = 15,434,932.38
  5. Step 5: Solve for x
    x = 15,434,932.38/3,920.56
  6. Step 6: Final answer
    x = 3,936.92

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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.