Home / 2,313.91-3,193.20-1,265.98

Finding the Fourth Proportional to 2,313.91, 3,193.20 and 1,265.98

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Solution

The fourth proportional to 2,313.91, 3,193.20 and 1,265.98 is: 1,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.91 : 3,193.20 = 1,265.98 : x
  2. Step 2: Convert to fraction form
    2,313.91/3,193.20 = 1,265.98/x
  3. Step 3: Cross multiply
    2,313.91x = 3,193.20 × 1,265.98
  4. Step 4: Simplify right side
    2,313.91x = 4,042,527.34
  5. Step 5: Solve for x
    x = 4,042,527.34/2,313.91
  6. Step 6: Final answer
    x = 1,747.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.