Home / 3,226.68-4,831.81-2,127.71

Finding the Fourth Proportional to 3,226.68, 4,831.81 and 2,127.71

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Solution

The fourth proportional to 3,226.68, 4,831.81 and 2,127.71 is: 3,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.68 : 4,831.81 = 2,127.71 : x
  2. Step 2: Convert to fraction form
    3,226.68/4,831.81 = 2,127.71/x
  3. Step 3: Cross multiply
    3,226.68x = 4,831.81 × 2,127.71
  4. Step 4: Simplify right side
    3,226.68x = 10,280,690.46
  5. Step 5: Solve for x
    x = 10,280,690.46/3,226.68
  6. Step 6: Final answer
    x = 3,186.15

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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.