Home / 3,149.08-4,716.42-1,506.78

Finding the Fourth Proportional to 3,149.08, 4,716.42 and 1,506.78

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Solution

The fourth proportional to 3,149.08, 4,716.42 and 1,506.78 is: 2,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.08 : 4,716.42 = 1,506.78 : x
  2. Step 2: Convert to fraction form
    3,149.08/4,716.42 = 1,506.78/x
  3. Step 3: Cross multiply
    3,149.08x = 4,716.42 × 1,506.78
  4. Step 4: Simplify right side
    3,149.08x = 7,106,607.33
  5. Step 5: Solve for x
    x = 7,106,607.33/3,149.08
  6. Step 6: Final answer
    x = 2,256.72

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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.