Home / 3,183.90-4,773.52-2,141.31

Finding the Fourth Proportional to 3,183.90, 4,773.52 and 2,141.31

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Solution

The fourth proportional to 3,183.90, 4,773.52 and 2,141.31 is: 3,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.90 : 4,773.52 = 2,141.31 : x
  2. Step 2: Convert to fraction form
    3,183.90/4,773.52 = 2,141.31/x
  3. Step 3: Cross multiply
    3,183.90x = 4,773.52 × 2,141.31
  4. Step 4: Simplify right side
    3,183.90x = 10,221,586.11
  5. Step 5: Solve for x
    x = 10,221,586.11/3,183.90
  6. Step 6: Final answer
    x = 3,210.40

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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.