Home / 1,429.80-2,138.68-1,204.44

Finding the Fourth Proportional to 1,429.80, 2,138.68 and 1,204.44

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Solution

The fourth proportional to 1,429.80, 2,138.68 and 1,204.44 is: 1,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.80 : 2,138.68 = 1,204.44 : x
  2. Step 2: Convert to fraction form
    1,429.80/2,138.68 = 1,204.44/x
  3. Step 3: Cross multiply
    1,429.80x = 2,138.68 × 1,204.44
  4. Step 4: Simplify right side
    1,429.80x = 2,575,911.74
  5. Step 5: Solve for x
    x = 2,575,911.74/1,429.80
  6. Step 6: Final answer
    x = 1,801.59

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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.