Home / 1,467.57-2,201.35-979.59

Finding the Fourth Proportional to 1,467.57, 2,201.35 and 979.59

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Solution

The fourth proportional to 1,467.57, 2,201.35 and 979.59 is: 1,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.57 : 2,201.35 = 979.59 : x
  2. Step 2: Convert to fraction form
    1,467.57/2,201.35 = 979.59/x
  3. Step 3: Cross multiply
    1,467.57x = 2,201.35 × 979.59
  4. Step 4: Simplify right side
    1,467.57x = 2,156,430.84
  5. Step 5: Solve for x
    x = 2,156,430.84/1,467.57
  6. Step 6: Final answer
    x = 1,469.39

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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.