Home / 3,142.23-4,325.18-2,770.17

Finding the Fourth Proportional to 3,142.23, 4,325.18 and 2,770.17

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Solution

The fourth proportional to 3,142.23, 4,325.18 and 2,770.17 is: 3,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.23 : 4,325.18 = 2,770.17 : x
  2. Step 2: Convert to fraction form
    3,142.23/4,325.18 = 2,770.17/x
  3. Step 3: Cross multiply
    3,142.23x = 4,325.18 × 2,770.17
  4. Step 4: Simplify right side
    3,142.23x = 11,981,470.03
  5. Step 5: Solve for x
    x = 11,981,470.03/3,142.23
  6. Step 6: Final answer
    x = 3,813.05

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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.