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Finding the Fourth Proportional to 3,575.88, 4,934.74 and 2,003.92

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Solution

The fourth proportional to 3,575.88, 4,934.74 and 2,003.92 is: 2,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.88 : 4,934.74 = 2,003.92 : x
  2. Step 2: Convert to fraction form
    3,575.88/4,934.74 = 2,003.92/x
  3. Step 3: Cross multiply
    3,575.88x = 4,934.74 × 2,003.92
  4. Step 4: Simplify right side
    3,575.88x = 9,888,824.18
  5. Step 5: Solve for x
    x = 9,888,824.18/3,575.88
  6. Step 6: Final answer
    x = 2,765.42

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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.