Home / 3,119.27-4,656.06-2,750.22

Finding the Fourth Proportional to 3,119.27, 4,656.06 and 2,750.22

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Solution

The fourth proportional to 3,119.27, 4,656.06 and 2,750.22 is: 4,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.27 : 4,656.06 = 2,750.22 : x
  2. Step 2: Convert to fraction form
    3,119.27/4,656.06 = 2,750.22/x
  3. Step 3: Cross multiply
    3,119.27x = 4,656.06 × 2,750.22
  4. Step 4: Simplify right side
    3,119.27x = 12,805,189.33
  5. Step 5: Solve for x
    x = 12,805,189.33/3,119.27
  6. Step 6: Final answer
    x = 4,105.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.