Home / 3,020.42-4,531.37-2,440.68

Finding the Fourth Proportional to 3,020.42, 4,531.37 and 2,440.68

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Solution

The fourth proportional to 3,020.42, 4,531.37 and 2,440.68 is: 3,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.42 : 4,531.37 = 2,440.68 : x
  2. Step 2: Convert to fraction form
    3,020.42/4,531.37 = 2,440.68/x
  3. Step 3: Cross multiply
    3,020.42x = 4,531.37 × 2,440.68
  4. Step 4: Simplify right side
    3,020.42x = 11,059,611.93
  5. Step 5: Solve for x
    x = 11,059,611.93/3,020.42
  6. Step 6: Final answer
    x = 3,661.62

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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.