Home / 2,831.45-4,247.27-1,444.38

Finding the Fourth Proportional to 2,831.45, 4,247.27 and 1,444.38

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Solution

The fourth proportional to 2,831.45, 4,247.27 and 1,444.38 is: 2,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.45 : 4,247.27 = 1,444.38 : x
  2. Step 2: Convert to fraction form
    2,831.45/4,247.27 = 1,444.38/x
  3. Step 3: Cross multiply
    2,831.45x = 4,247.27 × 1,444.38
  4. Step 4: Simplify right side
    2,831.45x = 6,134,664.62
  5. Step 5: Solve for x
    x = 6,134,664.62/2,831.45
  6. Step 6: Final answer
    x = 2,166.62

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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.