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Finding the Fourth Proportional to 3,374.08, 5,061.43 and 908.85

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Solution

The fourth proportional to 3,374.08, 5,061.43 and 908.85 is: 1,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.08 : 5,061.43 = 908.85 : x
  2. Step 2: Convert to fraction form
    3,374.08/5,061.43 = 908.85/x
  3. Step 3: Cross multiply
    3,374.08x = 5,061.43 × 908.85
  4. Step 4: Simplify right side
    3,374.08x = 4,600,061.84
  5. Step 5: Solve for x
    x = 4,600,061.84/3,374.08
  6. Step 6: Final answer
    x = 1,363.35

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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.