Home / 3,831.04-5,286.18-2,259.64

Finding the Fourth Proportional to 3,831.04, 5,286.18 and 2,259.64

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Solution

The fourth proportional to 3,831.04, 5,286.18 and 2,259.64 is: 3,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.04 : 5,286.18 = 2,259.64 : x
  2. Step 2: Convert to fraction form
    3,831.04/5,286.18 = 2,259.64/x
  3. Step 3: Cross multiply
    3,831.04x = 5,286.18 × 2,259.64
  4. Step 4: Simplify right side
    3,831.04x = 11,944,863.78
  5. Step 5: Solve for x
    x = 11,944,863.78/3,831.04
  6. Step 6: Final answer
    x = 3,117.92

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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.