Home / 2,769.38-3,821.70-1,510.42

Finding the Fourth Proportional to 2,769.38, 3,821.70 and 1,510.42

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Solution

The fourth proportional to 2,769.38, 3,821.70 and 1,510.42 is: 2,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.38 : 3,821.70 = 1,510.42 : x
  2. Step 2: Convert to fraction form
    2,769.38/3,821.70 = 1,510.42/x
  3. Step 3: Cross multiply
    2,769.38x = 3,821.70 × 1,510.42
  4. Step 4: Simplify right side
    2,769.38x = 5,772,372.11
  5. Step 5: Solve for x
    x = 5,772,372.11/2,769.38
  6. Step 6: Final answer
    x = 2,084.36

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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.