Home / 3,306.40-4,952.69-1,985.96

Finding the Fourth Proportional to 3,306.40, 4,952.69 and 1,985.96

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Solution

The fourth proportional to 3,306.40, 4,952.69 and 1,985.96 is: 2,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.40 : 4,952.69 = 1,985.96 : x
  2. Step 2: Convert to fraction form
    3,306.40/4,952.69 = 1,985.96/x
  3. Step 3: Cross multiply
    3,306.40x = 4,952.69 × 1,985.96
  4. Step 4: Simplify right side
    3,306.40x = 9,835,844.23
  5. Step 5: Solve for x
    x = 9,835,844.23/3,306.40
  6. Step 6: Final answer
    x = 2,974.79

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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.