Home / 2,956.97-4,080.93-2,209.64

Finding the Fourth Proportional to 2,956.97, 4,080.93 and 2,209.64

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Solution

The fourth proportional to 2,956.97, 4,080.93 and 2,209.64 is: 3,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.97 : 4,080.93 = 2,209.64 : x
  2. Step 2: Convert to fraction form
    2,956.97/4,080.93 = 2,209.64/x
  3. Step 3: Cross multiply
    2,956.97x = 4,080.93 × 2,209.64
  4. Step 4: Simplify right side
    2,956.97x = 9,017,386.17
  5. Step 5: Solve for x
    x = 9,017,386.17/2,956.97
  6. Step 6: Final answer
    x = 3,049.54

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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.