Home / 3,716.20-5,129.99-2,601.51

Finding the Fourth Proportional to 3,716.20, 5,129.99 and 2,601.51

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Solution

The fourth proportional to 3,716.20, 5,129.99 and 2,601.51 is: 3,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.20 : 5,129.99 = 2,601.51 : x
  2. Step 2: Convert to fraction form
    3,716.20/5,129.99 = 2,601.51/x
  3. Step 3: Cross multiply
    3,716.20x = 5,129.99 × 2,601.51
  4. Step 4: Simplify right side
    3,716.20x = 13,345,726.65
  5. Step 5: Solve for x
    x = 13,345,726.65/3,716.20
  6. Step 6: Final answer
    x = 3,591.23

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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.