Home / 2,831.56-4,247.36-1,350.92

Finding the Fourth Proportional to 2,831.56, 4,247.36 and 1,350.92

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Solution

The fourth proportional to 2,831.56, 4,247.36 and 1,350.92 is: 2,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.56 : 4,247.36 = 1,350.92 : x
  2. Step 2: Convert to fraction form
    2,831.56/4,247.36 = 1,350.92/x
  3. Step 3: Cross multiply
    2,831.56x = 4,247.36 × 1,350.92
  4. Step 4: Simplify right side
    2,831.56x = 5,737,843.57
  5. Step 5: Solve for x
    x = 5,737,843.57/2,831.56
  6. Step 6: Final answer
    x = 2,026.39

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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.