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Finding the Fourth Proportional to 3,575.28, 4,934.12 and 2,003.48

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Solution

The fourth proportional to 3,575.28, 4,934.12 and 2,003.48 is: 2,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.28 : 4,934.12 = 2,003.48 : x
  2. Step 2: Convert to fraction form
    3,575.28/4,934.12 = 2,003.48/x
  3. Step 3: Cross multiply
    3,575.28x = 4,934.12 × 2,003.48
  4. Step 4: Simplify right side
    3,575.28x = 9,885,410.74
  5. Step 5: Solve for x
    x = 9,885,410.74/3,575.28
  6. Step 6: Final answer
    x = 2,764.93

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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.