Home / 2,831.76-4,247.46-1,736.28

Finding the Fourth Proportional to 2,831.76, 4,247.46 and 1,736.28

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Solution

The fourth proportional to 2,831.76, 4,247.46 and 1,736.28 is: 2,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.76 : 4,247.46 = 1,736.28 : x
  2. Step 2: Convert to fraction form
    2,831.76/4,247.46 = 1,736.28/x
  3. Step 3: Cross multiply
    2,831.76x = 4,247.46 × 1,736.28
  4. Step 4: Simplify right side
    2,831.76x = 7,374,779.85
  5. Step 5: Solve for x
    x = 7,374,779.85/2,831.76
  6. Step 6: Final answer
    x = 2,604.31

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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.