Home / 3,577.94-4,937.39-1,984.47

Finding the Fourth Proportional to 3,577.94, 4,937.39 and 1,984.47

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Solution

The fourth proportional to 3,577.94, 4,937.39 and 1,984.47 is: 2,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.94 : 4,937.39 = 1,984.47 : x
  2. Step 2: Convert to fraction form
    3,577.94/4,937.39 = 1,984.47/x
  3. Step 3: Cross multiply
    3,577.94x = 4,937.39 × 1,984.47
  4. Step 4: Simplify right side
    3,577.94x = 9,798,067.72
  5. Step 5: Solve for x
    x = 9,798,067.72/3,577.94
  6. Step 6: Final answer
    x = 2,738.47

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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.