Home / 3,162.24-4,364.55-2,168.81

Finding the Fourth Proportional to 3,162.24, 4,364.55 and 2,168.81

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Solution

The fourth proportional to 3,162.24, 4,364.55 and 2,168.81 is: 2,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.24 : 4,364.55 = 2,168.81 : x
  2. Step 2: Convert to fraction form
    3,162.24/4,364.55 = 2,168.81/x
  3. Step 3: Cross multiply
    3,162.24x = 4,364.55 × 2,168.81
  4. Step 4: Simplify right side
    3,162.24x = 9,465,874.23
  5. Step 5: Solve for x
    x = 9,465,874.23/3,162.24
  6. Step 6: Final answer
    x = 2,993.41

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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.