Home / 2,272.33-3,135.27-1,601.65

Finding the Fourth Proportional to 2,272.33, 3,135.27 and 1,601.65

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Solution

The fourth proportional to 2,272.33, 3,135.27 and 1,601.65 is: 2,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.33 : 3,135.27 = 1,601.65 : x
  2. Step 2: Convert to fraction form
    2,272.33/3,135.27 = 1,601.65/x
  3. Step 3: Cross multiply
    2,272.33x = 3,135.27 × 1,601.65
  4. Step 4: Simplify right side
    2,272.33x = 5,021,605.20
  5. Step 5: Solve for x
    x = 5,021,605.20/2,272.33
  6. Step 6: Final answer
    x = 2,209.89

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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.