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Finding the Fourth Proportional to 3,266.06, 4,899.91 and 957.56

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Solution

The fourth proportional to 3,266.06, 4,899.91 and 957.56 is: 1,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.06 : 4,899.91 = 957.56 : x
  2. Step 2: Convert to fraction form
    3,266.06/4,899.91 = 957.56/x
  3. Step 3: Cross multiply
    3,266.06x = 4,899.91 × 957.56
  4. Step 4: Simplify right side
    3,266.06x = 4,691,967.68
  5. Step 5: Solve for x
    x = 4,691,967.68/3,266.06
  6. Step 6: Final answer
    x = 1,436.58

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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.