Home / 3,213.16-4,816.86-1,669.48

Finding the Fourth Proportional to 3,213.16, 4,816.86 and 1,669.48

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Solution

The fourth proportional to 3,213.16, 4,816.86 and 1,669.48 is: 2,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.16 : 4,816.86 = 1,669.48 : x
  2. Step 2: Convert to fraction form
    3,213.16/4,816.86 = 1,669.48/x
  3. Step 3: Cross multiply
    3,213.16x = 4,816.86 × 1,669.48
  4. Step 4: Simplify right side
    3,213.16x = 8,041,651.43
  5. Step 5: Solve for x
    x = 8,041,651.43/3,213.16
  6. Step 6: Final answer
    x = 2,502.72

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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.