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Finding the Fourth Proportional to 3,575.43, 4,934.34 and 2,003.63

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Solution

The fourth proportional to 3,575.43, 4,934.34 and 2,003.63 is: 2,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.43 : 4,934.34 = 2,003.63 : x
  2. Step 2: Convert to fraction form
    3,575.43/4,934.34 = 2,003.63/x
  3. Step 3: Cross multiply
    3,575.43x = 4,934.34 × 2,003.63
  4. Step 4: Simplify right side
    3,575.43x = 9,886,566.98
  5. Step 5: Solve for x
    x = 9,886,566.98/3,575.43
  6. Step 6: Final answer
    x = 2,765.14

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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.