Home / 2,972.39-4,458.62-1,412.54

Finding the Fourth Proportional to 2,972.39, 4,458.62 and 1,412.54

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Solution

The fourth proportional to 2,972.39, 4,458.62 and 1,412.54 is: 2,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.39 : 4,458.62 = 1,412.54 : x
  2. Step 2: Convert to fraction form
    2,972.39/4,458.62 = 1,412.54/x
  3. Step 3: Cross multiply
    2,972.39x = 4,458.62 × 1,412.54
  4. Step 4: Simplify right side
    2,972.39x = 6,297,991.89
  5. Step 5: Solve for x
    x = 6,297,991.89/2,972.39
  6. Step 6: Final answer
    x = 2,118.83

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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.