Home / 2,855.58-4,304.43-2,618.64

Finding the Fourth Proportional to 2,855.58, 4,304.43 and 2,618.64

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Solution

The fourth proportional to 2,855.58, 4,304.43 and 2,618.64 is: 3,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.58 : 4,304.43 = 2,618.64 : x
  2. Step 2: Convert to fraction form
    2,855.58/4,304.43 = 2,618.64/x
  3. Step 3: Cross multiply
    2,855.58x = 4,304.43 × 2,618.64
  4. Step 4: Simplify right side
    2,855.58x = 11,271,752.58
  5. Step 5: Solve for x
    x = 11,271,752.58/2,855.58
  6. Step 6: Final answer
    x = 3,947.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.