Home / 2,084.42-3,124.81-1,968.39

Finding the Fourth Proportional to 2,084.42, 3,124.81 and 1,968.39

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Solution

The fourth proportional to 2,084.42, 3,124.81 and 1,968.39 is: 2,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.42 : 3,124.81 = 1,968.39 : x
  2. Step 2: Convert to fraction form
    2,084.42/3,124.81 = 1,968.39/x
  3. Step 3: Cross multiply
    2,084.42x = 3,124.81 × 1,968.39
  4. Step 4: Simplify right side
    2,084.42x = 6,150,844.76
  5. Step 5: Solve for x
    x = 6,150,844.76/2,084.42
  6. Step 6: Final answer
    x = 2,950.87

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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.