Home / 3,126.97-4,683.84-2,028.07

Finding the Fourth Proportional to 3,126.97, 4,683.84 and 2,028.07

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Solution

The fourth proportional to 3,126.97, 4,683.84 and 2,028.07 is: 3,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.97 : 4,683.84 = 2,028.07 : x
  2. Step 2: Convert to fraction form
    3,126.97/4,683.84 = 2,028.07/x
  3. Step 3: Cross multiply
    3,126.97x = 4,683.84 × 2,028.07
  4. Step 4: Simplify right side
    3,126.97x = 9,499,155.39
  5. Step 5: Solve for x
    x = 9,499,155.39/3,126.97
  6. Step 6: Final answer
    x = 3,037.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.