Home / 2,260.24-3,119.25-1,375.90

Finding the Fourth Proportional to 2,260.24, 3,119.25 and 1,375.90

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Solution

The fourth proportional to 2,260.24, 3,119.25 and 1,375.90 is: 1,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.24 : 3,119.25 = 1,375.90 : x
  2. Step 2: Convert to fraction form
    2,260.24/3,119.25 = 1,375.90/x
  3. Step 3: Cross multiply
    2,260.24x = 3,119.25 × 1,375.90
  4. Step 4: Simplify right side
    2,260.24x = 4,291,776.08
  5. Step 5: Solve for x
    x = 4,291,776.08/2,260.24
  6. Step 6: Final answer
    x = 1,898.81

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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.