Home / 3,080.57-4,246.89-2,134.74

Finding the Fourth Proportional to 3,080.57, 4,246.89 and 2,134.74

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Solution

The fourth proportional to 3,080.57, 4,246.89 and 2,134.74 is: 2,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.57 : 4,246.89 = 2,134.74 : x
  2. Step 2: Convert to fraction form
    3,080.57/4,246.89 = 2,134.74/x
  3. Step 3: Cross multiply
    3,080.57x = 4,246.89 × 2,134.74
  4. Step 4: Simplify right side
    3,080.57x = 9,066,005.96
  5. Step 5: Solve for x
    x = 9,066,005.96/3,080.57
  6. Step 6: Final answer
    x = 2,942.96

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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.