Home / 4,069.20-5,615.19-2,744.70

Finding the Fourth Proportional to 4,069.20, 5,615.19 and 2,744.70

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Solution

The fourth proportional to 4,069.20, 5,615.19 and 2,744.70 is: 3,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.20 : 5,615.19 = 2,744.70 : x
  2. Step 2: Convert to fraction form
    4,069.20/5,615.19 = 2,744.70/x
  3. Step 3: Cross multiply
    4,069.20x = 5,615.19 × 2,744.70
  4. Step 4: Simplify right side
    4,069.20x = 15,412,011.99
  5. Step 5: Solve for x
    x = 15,412,011.99/4,069.20
  6. Step 6: Final answer
    x = 3,787.48

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1.5x scale

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.