Home / 3,951.36-5,917.32-3,180.24

Finding the Fourth Proportional to 3,951.36, 5,917.32 and 3,180.24

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Solution

The fourth proportional to 3,951.36, 5,917.32 and 3,180.24 is: 4,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.36 : 5,917.32 = 3,180.24 : x
  2. Step 2: Convert to fraction form
    3,951.36/5,917.32 = 3,180.24/x
  3. Step 3: Cross multiply
    3,951.36x = 5,917.32 × 3,180.24
  4. Step 4: Simplify right side
    3,951.36x = 18,818,497.76
  5. Step 5: Solve for x
    x = 18,818,497.76/3,951.36
  6. Step 6: Final answer
    x = 4,762.54

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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.