Home / 2,843.40-4,244.79-2,405.88

Finding the Fourth Proportional to 2,843.40, 4,244.79 and 2,405.88

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Solution

The fourth proportional to 2,843.40, 4,244.79 and 2,405.88 is: 3,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.40 : 4,244.79 = 2,405.88 : x
  2. Step 2: Convert to fraction form
    2,843.40/4,244.79 = 2,405.88/x
  3. Step 3: Cross multiply
    2,843.40x = 4,244.79 × 2,405.88
  4. Step 4: Simplify right side
    2,843.40x = 10,212,455.37
  5. Step 5: Solve for x
    x = 10,212,455.37/2,843.40
  6. Step 6: Final answer
    x = 3,591.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.