Home / 3,550.63-4,899.87-1,979.03

Finding the Fourth Proportional to 3,550.63, 4,899.87 and 1,979.03

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Solution

The fourth proportional to 3,550.63, 4,899.87 and 1,979.03 is: 2,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.63 : 4,899.87 = 1,979.03 : x
  2. Step 2: Convert to fraction form
    3,550.63/4,899.87 = 1,979.03/x
  3. Step 3: Cross multiply
    3,550.63x = 4,899.87 × 1,979.03
  4. Step 4: Simplify right side
    3,550.63x = 9,696,989.73
  5. Step 5: Solve for x
    x = 9,696,989.73/3,550.63
  6. Step 6: Final answer
    x = 2,731.06

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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.