Home / 3,831.65-5,285.94-2,414.35

Finding the Fourth Proportional to 3,831.65, 5,285.94 and 2,414.35

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Solution

The fourth proportional to 3,831.65, 5,285.94 and 2,414.35 is: 3,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.65 : 5,285.94 = 2,414.35 : x
  2. Step 2: Convert to fraction form
    3,831.65/5,285.94 = 2,414.35/x
  3. Step 3: Cross multiply
    3,831.65x = 5,285.94 × 2,414.35
  4. Step 4: Simplify right side
    3,831.65x = 12,762,109.24
  5. Step 5: Solve for x
    x = 12,762,109.24/3,831.65
  6. Step 6: Final answer
    x = 3,330.71

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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.