Home / 3,365.19-4,644.46-2,020.89

Finding the Fourth Proportional to 3,365.19, 4,644.46 and 2,020.89

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Solution

The fourth proportional to 3,365.19, 4,644.46 and 2,020.89 is: 2,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.19 : 4,644.46 = 2,020.89 : x
  2. Step 2: Convert to fraction form
    3,365.19/4,644.46 = 2,020.89/x
  3. Step 3: Cross multiply
    3,365.19x = 4,644.46 × 2,020.89
  4. Step 4: Simplify right side
    3,365.19x = 9,385,942.77
  5. Step 5: Solve for x
    x = 9,385,942.77/3,365.19
  6. Step 6: Final answer
    x = 2,789.13

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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.