Home / 2,861.49-4,289.31-1,937.14

Finding the Fourth Proportional to 2,861.49, 4,289.31 and 1,937.14

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Solution

The fourth proportional to 2,861.49, 4,289.31 and 1,937.14 is: 2,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.49 : 4,289.31 = 1,937.14 : x
  2. Step 2: Convert to fraction form
    2,861.49/4,289.31 = 1,937.14/x
  3. Step 3: Cross multiply
    2,861.49x = 4,289.31 × 1,937.14
  4. Step 4: Simplify right side
    2,861.49x = 8,308,993.97
  5. Step 5: Solve for x
    x = 8,308,993.97/2,861.49
  6. Step 6: Final answer
    x = 2,903.73

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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.