Home / 2,956.90-4,080.77-1,630.73

Finding the Fourth Proportional to 2,956.90, 4,080.77 and 1,630.73

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Solution

The fourth proportional to 2,956.90, 4,080.77 and 1,630.73 is: 2,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.90 : 4,080.77 = 1,630.73 : x
  2. Step 2: Convert to fraction form
    2,956.90/4,080.77 = 1,630.73/x
  3. Step 3: Cross multiply
    2,956.90x = 4,080.77 × 1,630.73
  4. Step 4: Simplify right side
    2,956.90x = 6,654,625.91
  5. Step 5: Solve for x
    x = 6,654,625.91/2,956.90
  6. Step 6: Final answer
    x = 2,250.54

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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.