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Finding the Fourth Proportional to 3,703.06, 5,099.79 and 3,260.80

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Solution

The fourth proportional to 3,703.06, 5,099.79 and 3,260.80 is: 4,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.06 : 5,099.79 = 3,260.80 : x
  2. Step 2: Convert to fraction form
    3,703.06/5,099.79 = 3,260.80/x
  3. Step 3: Cross multiply
    3,703.06x = 5,099.79 × 3,260.80
  4. Step 4: Simplify right side
    3,703.06x = 16,629,395.23
  5. Step 5: Solve for x
    x = 16,629,395.23/3,703.06
  6. Step 6: Final answer
    x = 4,490.72

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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.