Home / 3,306.39-4,562.88-1,980.09

Finding the Fourth Proportional to 3,306.39, 4,562.88 and 1,980.09

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Solution

The fourth proportional to 3,306.39, 4,562.88 and 1,980.09 is: 2,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.39 : 4,562.88 = 1,980.09 : x
  2. Step 2: Convert to fraction form
    3,306.39/4,562.88 = 1,980.09/x
  3. Step 3: Cross multiply
    3,306.39x = 4,562.88 × 1,980.09
  4. Step 4: Simplify right side
    3,306.39x = 9,034,913.06
  5. Step 5: Solve for x
    x = 9,034,913.06/3,306.39
  6. Step 6: Final answer
    x = 2,732.56

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1.5x scale

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.