Home / 3,576.66-5,366.35-1,385.56

Finding the Fourth Proportional to 3,576.66, 5,366.35 and 1,385.56

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Solution

The fourth proportional to 3,576.66, 5,366.35 and 1,385.56 is: 2,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.66 : 5,366.35 = 1,385.56 : x
  2. Step 2: Convert to fraction form
    3,576.66/5,366.35 = 1,385.56/x
  3. Step 3: Cross multiply
    3,576.66x = 5,366.35 × 1,385.56
  4. Step 4: Simplify right side
    3,576.66x = 7,435,378.16
  5. Step 5: Solve for x
    x = 7,435,378.16/3,576.66
  6. Step 6: Final answer
    x = 2,078.86

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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.