Home / 3,055.97-4,587.37-2,855.21

Finding the Fourth Proportional to 3,055.97, 4,587.37 and 2,855.21

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Solution

The fourth proportional to 3,055.97, 4,587.37 and 2,855.21 is: 4,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.97 : 4,587.37 = 2,855.21 : x
  2. Step 2: Convert to fraction form
    3,055.97/4,587.37 = 2,855.21/x
  3. Step 3: Cross multiply
    3,055.97x = 4,587.37 × 2,855.21
  4. Step 4: Simplify right side
    3,055.97x = 13,097,904.70
  5. Step 5: Solve for x
    x = 13,097,904.70/3,055.97
  6. Step 6: Final answer
    x = 4,286.01

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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.