Home / 3,576.24-5,362.56-2,115

Finding the Fourth Proportional to 3,576.24, 5,362.56 and 2,115

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Solution

The fourth proportional to 3,576.24, 5,362.56 and 2,115 is: 3,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.24 : 5,362.56 = 2,115 : x
  2. Step 2: Convert to fraction form
    3,576.24/5,362.56 = 2,115/x
  3. Step 3: Cross multiply
    3,576.24x = 5,362.56 × 2,115
  4. Step 4: Simplify right side
    3,576.24x = 11,341,814.40
  5. Step 5: Solve for x
    x = 11,341,814.40/3,576.24
  6. Step 6: Final answer
    x = 3,171.44

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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.