Home / 2,481.62-3,423.66-1,433.48

Finding the Fourth Proportional to 2,481.62, 3,423.66 and 1,433.48

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Solution

The fourth proportional to 2,481.62, 3,423.66 and 1,433.48 is: 1,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.62 : 3,423.66 = 1,433.48 : x
  2. Step 2: Convert to fraction form
    2,481.62/3,423.66 = 1,433.48/x
  3. Step 3: Cross multiply
    2,481.62x = 3,423.66 × 1,433.48
  4. Step 4: Simplify right side
    2,481.62x = 4,907,748.14
  5. Step 5: Solve for x
    x = 4,907,748.14/2,481.62
  6. Step 6: Final answer
    x = 1,977.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.