Home / 2,769.89-3,822.46-1,574.73

Finding the Fourth Proportional to 2,769.89, 3,822.46 and 1,574.73

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Solution

The fourth proportional to 2,769.89, 3,822.46 and 1,574.73 is: 2,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.89 : 3,822.46 = 1,574.73 : x
  2. Step 2: Convert to fraction form
    2,769.89/3,822.46 = 1,574.73/x
  3. Step 3: Cross multiply
    2,769.89x = 3,822.46 × 1,574.73
  4. Step 4: Simplify right side
    2,769.89x = 6,019,338.50
  5. Step 5: Solve for x
    x = 6,019,338.50/2,769.89
  6. Step 6: Final answer
    x = 2,173.14

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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.