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Finding the Fourth Proportional to 2,900.82, 4,351.32 and 952.80

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Solution

The fourth proportional to 2,900.82, 4,351.32 and 952.80 is: 1,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.82 : 4,351.32 = 952.80 : x
  2. Step 2: Convert to fraction form
    2,900.82/4,351.32 = 952.80/x
  3. Step 3: Cross multiply
    2,900.82x = 4,351.32 × 952.80
  4. Step 4: Simplify right side
    2,900.82x = 4,145,937.70
  5. Step 5: Solve for x
    x = 4,145,937.70/2,900.82
  6. Step 6: Final answer
    x = 1,429.23

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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.