Home / 3,144.93-4,716.78-2,988.83

Finding the Fourth Proportional to 3,144.93, 4,716.78 and 2,988.83

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Solution

The fourth proportional to 3,144.93, 4,716.78 and 2,988.83 is: 4,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.93 : 4,716.78 = 2,988.83 : x
  2. Step 2: Convert to fraction form
    3,144.93/4,716.78 = 2,988.83/x
  3. Step 3: Cross multiply
    3,144.93x = 4,716.78 × 2,988.83
  4. Step 4: Simplify right side
    3,144.93x = 14,097,629.98
  5. Step 5: Solve for x
    x = 14,097,629.98/3,144.93
  6. Step 6: Final answer
    x = 4,482.65

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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.