Home / 3,424.14-5,140.17-2,739.18

Finding the Fourth Proportional to 3,424.14, 5,140.17 and 2,739.18

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Solution

The fourth proportional to 3,424.14, 5,140.17 and 2,739.18 is: 4,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.14 : 5,140.17 = 2,739.18 : x
  2. Step 2: Convert to fraction form
    3,424.14/5,140.17 = 2,739.18/x
  3. Step 3: Cross multiply
    3,424.14x = 5,140.17 × 2,739.18
  4. Step 4: Simplify right side
    3,424.14x = 14,079,850.86
  5. Step 5: Solve for x
    x = 14,079,850.86/3,424.14
  6. Step 6: Final answer
    x = 4,111.94

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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.