Home / 3,740.79-5,611.46-1,518.56

Finding the Fourth Proportional to 3,740.79, 5,611.46 and 1,518.56

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Solution

The fourth proportional to 3,740.79, 5,611.46 and 1,518.56 is: 2,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.79 : 5,611.46 = 1,518.56 : x
  2. Step 2: Convert to fraction form
    3,740.79/5,611.46 = 1,518.56/x
  3. Step 3: Cross multiply
    3,740.79x = 5,611.46 × 1,518.56
  4. Step 4: Simplify right side
    3,740.79x = 8,521,338.70
  5. Step 5: Solve for x
    x = 8,521,338.70/3,740.79
  6. Step 6: Final answer
    x = 2,277.95

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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.