Home / 2,260.44-3,119.41-1,316.79

Finding the Fourth Proportional to 2,260.44, 3,119.41 and 1,316.79

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Solution

The fourth proportional to 2,260.44, 3,119.41 and 1,316.79 is: 1,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.44 : 3,119.41 = 1,316.79 : x
  2. Step 2: Convert to fraction form
    2,260.44/3,119.41 = 1,316.79/x
  3. Step 3: Cross multiply
    2,260.44x = 3,119.41 × 1,316.79
  4. Step 4: Simplify right side
    2,260.44x = 4,107,609.54
  5. Step 5: Solve for x
    x = 4,107,609.54/2,260.44
  6. Step 6: Final answer
    x = 1,817.17

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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.