Home / 3,576.32-5,360.82-1,384.20

Finding the Fourth Proportional to 3,576.32, 5,360.82 and 1,384.20

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Solution

The fourth proportional to 3,576.32, 5,360.82 and 1,384.20 is: 2,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.32 : 5,360.82 = 1,384.20 : x
  2. Step 2: Convert to fraction form
    3,576.32/5,360.82 = 1,384.20/x
  3. Step 3: Cross multiply
    3,576.32x = 5,360.82 × 1,384.20
  4. Step 4: Simplify right side
    3,576.32x = 7,420,447.04
  5. Step 5: Solve for x
    x = 7,420,447.04/3,576.32
  6. Step 6: Final answer
    x = 2,074.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.