Home / 3,306.83-4,562.73-1,980.05

Finding the Fourth Proportional to 3,306.83, 4,562.73 and 1,980.05

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Solution

The fourth proportional to 3,306.83, 4,562.73 and 1,980.05 is: 2,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.83 : 4,562.73 = 1,980.05 : x
  2. Step 2: Convert to fraction form
    3,306.83/4,562.73 = 1,980.05/x
  3. Step 3: Cross multiply
    3,306.83x = 4,562.73 × 1,980.05
  4. Step 4: Simplify right side
    3,306.83x = 9,034,410.72
  5. Step 5: Solve for x
    x = 9,034,410.72/3,306.83
  6. Step 6: Final answer
    x = 2,732.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.