Home / 3,144.69-4,337.16-2,790.87

Finding the Fourth Proportional to 3,144.69, 4,337.16 and 2,790.87

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Solution

The fourth proportional to 3,144.69, 4,337.16 and 2,790.87 is: 3,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.69 : 4,337.16 = 2,790.87 : x
  2. Step 2: Convert to fraction form
    3,144.69/4,337.16 = 2,790.87/x
  3. Step 3: Cross multiply
    3,144.69x = 4,337.16 × 2,790.87
  4. Step 4: Simplify right side
    3,144.69x = 12,104,449.73
  5. Step 5: Solve for x
    x = 12,104,449.73/3,144.69
  6. Step 6: Final answer
    x = 3,849.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.