Home / 2,769.19-3,820.52-1,574.03

Finding the Fourth Proportional to 2,769.19, 3,820.52 and 1,574.03

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Solution

The fourth proportional to 2,769.19, 3,820.52 and 1,574.03 is: 2,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.19 : 3,820.52 = 1,574.03 : x
  2. Step 2: Convert to fraction form
    2,769.19/3,820.52 = 1,574.03/x
  3. Step 3: Cross multiply
    2,769.19x = 3,820.52 × 1,574.03
  4. Step 4: Simplify right side
    2,769.19x = 6,013,617.73
  5. Step 5: Solve for x
    x = 6,013,617.73/2,769.19
  6. Step 6: Final answer
    x = 2,171.62

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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.