Home / 3,081.63-4,622.45-1,694.91

Finding the Fourth Proportional to 3,081.63, 4,622.45 and 1,694.91

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Solution

The fourth proportional to 3,081.63, 4,622.45 and 1,694.91 is: 2,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.63 : 4,622.45 = 1,694.91 : x
  2. Step 2: Convert to fraction form
    3,081.63/4,622.45 = 1,694.91/x
  3. Step 3: Cross multiply
    3,081.63x = 4,622.45 × 1,694.91
  4. Step 4: Simplify right side
    3,081.63x = 7,834,628.25
  5. Step 5: Solve for x
    x = 7,834,628.25/3,081.63
  6. Step 6: Final answer
    x = 2,542.37

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1.5x scale

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.