Home / 3,132.52-4,698.78-1,183.72

Finding the Fourth Proportional to 3,132.52, 4,698.78 and 1,183.72

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Solution

The fourth proportional to 3,132.52, 4,698.78 and 1,183.72 is: 1,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.52 : 4,698.78 = 1,183.72 : x
  2. Step 2: Convert to fraction form
    3,132.52/4,698.78 = 1,183.72/x
  3. Step 3: Cross multiply
    3,132.52x = 4,698.78 × 1,183.72
  4. Step 4: Simplify right side
    3,132.52x = 5,562,039.86
  5. Step 5: Solve for x
    x = 5,562,039.86/3,132.52
  6. Step 6: Final answer
    x = 1,775.58

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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.