Home / 2,769.30-3,820.42-1,823.88

Finding the Fourth Proportional to 2,769.30, 3,820.42 and 1,823.88

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Solution

The fourth proportional to 2,769.30, 3,820.42 and 1,823.88 is: 2,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.30 : 3,820.42 = 1,823.88 : x
  2. Step 2: Convert to fraction form
    2,769.30/3,820.42 = 1,823.88/x
  3. Step 3: Cross multiply
    2,769.30x = 3,820.42 × 1,823.88
  4. Step 4: Simplify right side
    2,769.30x = 6,967,987.63
  5. Step 5: Solve for x
    x = 6,967,987.63/2,769.30
  6. Step 6: Final answer
    x = 2,516.15

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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.