Home / 3,208.42-4,818.12-1,983.10

Finding the Fourth Proportional to 3,208.42, 4,818.12 and 1,983.10

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Solution

The fourth proportional to 3,208.42, 4,818.12 and 1,983.10 is: 2,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.42 : 4,818.12 = 1,983.10 : x
  2. Step 2: Convert to fraction form
    3,208.42/4,818.12 = 1,983.10/x
  3. Step 3: Cross multiply
    3,208.42x = 4,818.12 × 1,983.10
  4. Step 4: Simplify right side
    3,208.42x = 9,554,813.77
  5. Step 5: Solve for x
    x = 9,554,813.77/3,208.42
  6. Step 6: Final answer
    x = 2,978.04

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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.