Home / 3,080.93-4,253.06-2,139.90

Finding the Fourth Proportional to 3,080.93, 4,253.06 and 2,139.90

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Solution

The fourth proportional to 3,080.93, 4,253.06 and 2,139.90 is: 2,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.93 : 4,253.06 = 2,139.90 : x
  2. Step 2: Convert to fraction form
    3,080.93/4,253.06 = 2,139.90/x
  3. Step 3: Cross multiply
    3,080.93x = 4,253.06 × 2,139.90
  4. Step 4: Simplify right side
    3,080.93x = 9,101,112.39
  5. Step 5: Solve for x
    x = 9,101,112.39/3,080.93
  6. Step 6: Final answer
    x = 2,954.02

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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.