Home / 2,481.24-3,423.42-1,955.64

Finding the Fourth Proportional to 2,481.24, 3,423.42 and 1,955.64

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Solution

The fourth proportional to 2,481.24, 3,423.42 and 1,955.64 is: 2,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.24 : 3,423.42 = 1,955.64 : x
  2. Step 2: Convert to fraction form
    2,481.24/3,423.42 = 1,955.64/x
  3. Step 3: Cross multiply
    2,481.24x = 3,423.42 × 1,955.64
  4. Step 4: Simplify right side
    2,481.24x = 6,694,977.09
  5. Step 5: Solve for x
    x = 6,694,977.09/2,481.24
  6. Step 6: Final answer
    x = 2,698.24

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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.