Home / 3,121.03-4,303.83-2,059.43

Finding the Fourth Proportional to 3,121.03, 4,303.83 and 2,059.43

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Solution

The fourth proportional to 3,121.03, 4,303.83 and 2,059.43 is: 2,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121.03 : 4,303.83 = 2,059.43 : x
  2. Step 2: Convert to fraction form
    3,121.03/4,303.83 = 2,059.43/x
  3. Step 3: Cross multiply
    3,121.03x = 4,303.83 × 2,059.43
  4. Step 4: Simplify right side
    3,121.03x = 8,863,422.82
  5. Step 5: Solve for x
    x = 8,863,422.82/3,121.03
  6. Step 6: Final answer
    x = 2,839.90

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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.