Home / 3,831.93-5,286.53-2,415.24

Finding the Fourth Proportional to 3,831.93, 5,286.53 and 2,415.24

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Solution

The fourth proportional to 3,831.93, 5,286.53 and 2,415.24 is: 3,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.93 : 5,286.53 = 2,415.24 : x
  2. Step 2: Convert to fraction form
    3,831.93/5,286.53 = 2,415.24/x
  3. Step 3: Cross multiply
    3,831.93x = 5,286.53 × 2,415.24
  4. Step 4: Simplify right side
    3,831.93x = 12,768,244.76
  5. Step 5: Solve for x
    x = 12,768,244.76/3,831.93
  6. Step 6: Final answer
    x = 3,332.07

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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.