Home / 3,365.99-4,644.56-2,021.31

Finding the Fourth Proportional to 3,365.99, 4,644.56 and 2,021.31

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Solution

The fourth proportional to 3,365.99, 4,644.56 and 2,021.31 is: 2,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.99 : 4,644.56 = 2,021.31 : x
  2. Step 2: Convert to fraction form
    3,365.99/4,644.56 = 2,021.31/x
  3. Step 3: Cross multiply
    3,365.99x = 4,644.56 × 2,021.31
  4. Step 4: Simplify right side
    3,365.99x = 9,388,095.57
  5. Step 5: Solve for x
    x = 9,388,095.57/3,365.99
  6. Step 6: Final answer
    x = 2,789.11

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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.