Home / 2,956.97-4,080.63-1,630.64

Finding the Fourth Proportional to 2,956.97, 4,080.63 and 1,630.64

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Solution

The fourth proportional to 2,956.97, 4,080.63 and 1,630.64 is: 2,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.97 : 4,080.63 = 1,630.64 : x
  2. Step 2: Convert to fraction form
    2,956.97/4,080.63 = 1,630.64/x
  3. Step 3: Cross multiply
    2,956.97x = 4,080.63 × 1,630.64
  4. Step 4: Simplify right side
    2,956.97x = 6,654,048.70
  5. Step 5: Solve for x
    x = 6,654,048.70/2,956.97
  6. Step 6: Final answer
    x = 2,250.29

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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.