Home / 3,126.33-4,316.22-2,183.76

Finding the Fourth Proportional to 3,126.33, 4,316.22 and 2,183.76

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Solution

The fourth proportional to 3,126.33, 4,316.22 and 2,183.76 is: 3,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.33 : 4,316.22 = 2,183.76 : x
  2. Step 2: Convert to fraction form
    3,126.33/4,316.22 = 2,183.76/x
  3. Step 3: Cross multiply
    3,126.33x = 4,316.22 × 2,183.76
  4. Step 4: Simplify right side
    3,126.33x = 9,425,588.59
  5. Step 5: Solve for x
    x = 9,425,588.59/3,126.33
  6. Step 6: Final answer
    x = 3,014.91

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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.