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Finding the Fourth Proportional to 3,002.06, 4,503.09 and 810.79

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Solution

The fourth proportional to 3,002.06, 4,503.09 and 810.79 is: 1,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.06 : 4,503.09 = 810.79 : x
  2. Step 2: Convert to fraction form
    3,002.06/4,503.09 = 810.79/x
  3. Step 3: Cross multiply
    3,002.06x = 4,503.09 × 810.79
  4. Step 4: Simplify right side
    3,002.06x = 3,651,067.96
  5. Step 5: Solve for x
    x = 3,651,067.96/3,002.06
  6. Step 6: Final answer
    x = 1,216.19

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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.