Home / 2,980.62-4,472.44-1,226.97

Finding the Fourth Proportional to 2,980.62, 4,472.44 and 1,226.97

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Solution

The fourth proportional to 2,980.62, 4,472.44 and 1,226.97 is: 1,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.62 : 4,472.44 = 1,226.97 : x
  2. Step 2: Convert to fraction form
    2,980.62/4,472.44 = 1,226.97/x
  3. Step 3: Cross multiply
    2,980.62x = 4,472.44 × 1,226.97
  4. Step 4: Simplify right side
    2,980.62x = 5,487,549.71
  5. Step 5: Solve for x
    x = 5,487,549.71/2,980.62
  6. Step 6: Final answer
    x = 1,841.08

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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.