Home / 3,143.14-4,339.79-2,361.49

Finding the Fourth Proportional to 3,143.14, 4,339.79 and 2,361.49

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Solution

The fourth proportional to 3,143.14, 4,339.79 and 2,361.49 is: 3,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.14 : 4,339.79 = 2,361.49 : x
  2. Step 2: Convert to fraction form
    3,143.14/4,339.79 = 2,361.49/x
  3. Step 3: Cross multiply
    3,143.14x = 4,339.79 × 2,361.49
  4. Step 4: Simplify right side
    3,143.14x = 10,248,370.69
  5. Step 5: Solve for x
    x = 10,248,370.69/3,143.14
  6. Step 6: Final answer
    x = 3,260.55

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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.