Home / 3,685.84-5,527.79-2,515.62

Finding the Fourth Proportional to 3,685.84, 5,527.79 and 2,515.62

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Solution

The fourth proportional to 3,685.84, 5,527.79 and 2,515.62 is: 3,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.84 : 5,527.79 = 2,515.62 : x
  2. Step 2: Convert to fraction form
    3,685.84/5,527.79 = 2,515.62/x
  3. Step 3: Cross multiply
    3,685.84x = 5,527.79 × 2,515.62
  4. Step 4: Simplify right side
    3,685.84x = 13,905,836.66
  5. Step 5: Solve for x
    x = 13,905,836.66/3,685.84
  6. Step 6: Final answer
    x = 3,772.78

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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.