Home / 3,727.62-5,590.35-1,418.58

Finding the Fourth Proportional to 3,727.62, 5,590.35 and 1,418.58

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Solution

The fourth proportional to 3,727.62, 5,590.35 and 1,418.58 is: 2,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.62 : 5,590.35 = 1,418.58 : x
  2. Step 2: Convert to fraction form
    3,727.62/5,590.35 = 1,418.58/x
  3. Step 3: Cross multiply
    3,727.62x = 5,590.35 × 1,418.58
  4. Step 4: Simplify right side
    3,727.62x = 7,930,358.70
  5. Step 5: Solve for x
    x = 7,930,358.70/3,727.62
  6. Step 6: Final answer
    x = 2,127.46

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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.