Home / 3,106.52-4,662.08-1,938.24

Finding the Fourth Proportional to 3,106.52, 4,662.08 and 1,938.24

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Solution

The fourth proportional to 3,106.52, 4,662.08 and 1,938.24 is: 2,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.52 : 4,662.08 = 1,938.24 : x
  2. Step 2: Convert to fraction form
    3,106.52/4,662.08 = 1,938.24/x
  3. Step 3: Cross multiply
    3,106.52x = 4,662.08 × 1,938.24
  4. Step 4: Simplify right side
    3,106.52x = 9,036,229.94
  5. Step 5: Solve for x
    x = 9,036,229.94/3,106.52
  6. Step 6: Final answer
    x = 2,908.80

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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.