Home / 3,772.68-5,207.40-2,515.56

Finding the Fourth Proportional to 3,772.68, 5,207.40 and 2,515.56

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Solution

The fourth proportional to 3,772.68, 5,207.40 and 2,515.56 is: 3,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.68 : 5,207.40 = 2,515.56 : x
  2. Step 2: Convert to fraction form
    3,772.68/5,207.40 = 2,515.56/x
  3. Step 3: Cross multiply
    3,772.68x = 5,207.40 × 2,515.56
  4. Step 4: Simplify right side
    3,772.68x = 13,099,527.14
  5. Step 5: Solve for x
    x = 13,099,527.14/3,772.68
  6. Step 6: Final answer
    x = 3,472.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.