Home / 2,620.49-3,929.68-1,060.19

Finding the Fourth Proportional to 2,620.49, 3,929.68 and 1,060.19

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Solution

The fourth proportional to 2,620.49, 3,929.68 and 1,060.19 is: 1,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.49 : 3,929.68 = 1,060.19 : x
  2. Step 2: Convert to fraction form
    2,620.49/3,929.68 = 1,060.19/x
  3. Step 3: Cross multiply
    2,620.49x = 3,929.68 × 1,060.19
  4. Step 4: Simplify right side
    2,620.49x = 4,166,203.85
  5. Step 5: Solve for x
    x = 4,166,203.85/2,620.49
  6. Step 6: Final answer
    x = 1,589.86

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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.