Home / 2,769.03-3,819.45-1,972.26

Finding the Fourth Proportional to 2,769.03, 3,819.45 and 1,972.26

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Solution

The fourth proportional to 2,769.03, 3,819.45 and 1,972.26 is: 2,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.03 : 3,819.45 = 1,972.26 : x
  2. Step 2: Convert to fraction form
    2,769.03/3,819.45 = 1,972.26/x
  3. Step 3: Cross multiply
    2,769.03x = 3,819.45 × 1,972.26
  4. Step 4: Simplify right side
    2,769.03x = 7,532,948.46
  5. Step 5: Solve for x
    x = 7,532,948.46/2,769.03
  6. Step 6: Final answer
    x = 2,720.43

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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.