Home / 2,982.14-4,472.96-1,007.72

Finding the Fourth Proportional to 2,982.14, 4,472.96 and 1,007.72

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Solution

The fourth proportional to 2,982.14, 4,472.96 and 1,007.72 is: 1,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.14 : 4,472.96 = 1,007.72 : x
  2. Step 2: Convert to fraction form
    2,982.14/4,472.96 = 1,007.72/x
  3. Step 3: Cross multiply
    2,982.14x = 4,472.96 × 1,007.72
  4. Step 4: Simplify right side
    2,982.14x = 4,507,491.25
  5. Step 5: Solve for x
    x = 4,507,491.25/2,982.14
  6. Step 6: Final answer
    x = 1,511.50

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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.