Home / 2,320.92-3,481.65-1,455.30

Finding the Fourth Proportional to 2,320.92, 3,481.65 and 1,455.30

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Solution

The fourth proportional to 2,320.92, 3,481.65 and 1,455.30 is: 2,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.92 : 3,481.65 = 1,455.30 : x
  2. Step 2: Convert to fraction form
    2,320.92/3,481.65 = 1,455.30/x
  3. Step 3: Cross multiply
    2,320.92x = 3,481.65 × 1,455.30
  4. Step 4: Simplify right side
    2,320.92x = 5,066,845.25
  5. Step 5: Solve for x
    x = 5,066,845.25/2,320.92
  6. Step 6: Final answer
    x = 2,183.12

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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.