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Finding the Fourth Proportional to 2,956.54, 4,080.04 and 1,630.22

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Solution

The fourth proportional to 2,956.54, 4,080.04 and 1,630.22 is: 2,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.54 : 4,080.04 = 1,630.22 : x
  2. Step 2: Convert to fraction form
    2,956.54/4,080.04 = 1,630.22/x
  3. Step 3: Cross multiply
    2,956.54x = 4,080.04 × 1,630.22
  4. Step 4: Simplify right side
    2,956.54x = 6,651,362.81
  5. Step 5: Solve for x
    x = 6,651,362.81/2,956.54
  6. Step 6: Final answer
    x = 2,249.71

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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.