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Finding the Fourth Proportional to 3,950.49, 5,920.05 and 2,902.26

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Solution

The fourth proportional to 3,950.49, 5,920.05 and 2,902.26 is: 4,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.49 : 5,920.05 = 2,902.26 : x
  2. Step 2: Convert to fraction form
    3,950.49/5,920.05 = 2,902.26/x
  3. Step 3: Cross multiply
    3,950.49x = 5,920.05 × 2,902.26
  4. Step 4: Simplify right side
    3,950.49x = 17,181,524.31
  5. Step 5: Solve for x
    x = 17,181,524.31/3,950.49
  6. Step 6: Final answer
    x = 4,349.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.