Home / 3,114.80-4,672.18-1,265.48

Finding the Fourth Proportional to 3,114.80, 4,672.18 and 1,265.48

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Solution

The fourth proportional to 3,114.80, 4,672.18 and 1,265.48 is: 1,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.80 : 4,672.18 = 1,265.48 : x
  2. Step 2: Convert to fraction form
    3,114.80/4,672.18 = 1,265.48/x
  3. Step 3: Cross multiply
    3,114.80x = 4,672.18 × 1,265.48
  4. Step 4: Simplify right side
    3,114.80x = 5,912,550.35
  5. Step 5: Solve for x
    x = 5,912,550.35/3,114.80
  6. Step 6: Final answer
    x = 1,898.21

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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.