Home / 3,262.90-4,890.66-1,620.58

Finding the Fourth Proportional to 3,262.90, 4,890.66 and 1,620.58

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Solution

The fourth proportional to 3,262.90, 4,890.66 and 1,620.58 is: 2,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.90 : 4,890.66 = 1,620.58 : x
  2. Step 2: Convert to fraction form
    3,262.90/4,890.66 = 1,620.58/x
  3. Step 3: Cross multiply
    3,262.90x = 4,890.66 × 1,620.58
  4. Step 4: Simplify right side
    3,262.90x = 7,925,705.78
  5. Step 5: Solve for x
    x = 7,925,705.78/3,262.90
  6. Step 6: Final answer
    x = 2,429.04

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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.