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Finding the Fourth Proportional to 3,574.95, 4,933.43 and 2,003.05

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Solution

The fourth proportional to 3,574.95, 4,933.43 and 2,003.05 is: 2,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.95 : 4,933.43 = 2,003.05 : x
  2. Step 2: Convert to fraction form
    3,574.95/4,933.43 = 2,003.05/x
  3. Step 3: Cross multiply
    3,574.95x = 4,933.43 × 2,003.05
  4. Step 4: Simplify right side
    3,574.95x = 9,881,906.96
  5. Step 5: Solve for x
    x = 9,881,906.96/3,574.95
  6. Step 6: Final answer
    x = 2,764.21

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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.