Home / 3,183.60-4,775.48-1,236.24

Finding the Fourth Proportional to 3,183.60, 4,775.48 and 1,236.24

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Solution

The fourth proportional to 3,183.60, 4,775.48 and 1,236.24 is: 1,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.60 : 4,775.48 = 1,236.24 : x
  2. Step 2: Convert to fraction form
    3,183.60/4,775.48 = 1,236.24/x
  3. Step 3: Cross multiply
    3,183.60x = 4,775.48 × 1,236.24
  4. Step 4: Simplify right side
    3,183.60x = 5,903,639.40
  5. Step 5: Solve for x
    x = 5,903,639.40/3,183.60
  6. Step 6: Final answer
    x = 1,854.39

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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.