Home / 2,260.11-3,119.27-1,631.49

Finding the Fourth Proportional to 2,260.11, 3,119.27 and 1,631.49

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Solution

The fourth proportional to 2,260.11, 3,119.27 and 1,631.49 is: 2,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.11 : 3,119.27 = 1,631.49 : x
  2. Step 2: Convert to fraction form
    2,260.11/3,119.27 = 1,631.49/x
  3. Step 3: Cross multiply
    2,260.11x = 3,119.27 × 1,631.49
  4. Step 4: Simplify right side
    2,260.11x = 5,089,057.81
  5. Step 5: Solve for x
    x = 5,089,057.81/2,260.11
  6. Step 6: Final answer
    x = 2,251.69

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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.