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Finding the Fourth Proportional to 3,407, 5,110.10 and 942.04

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Solution

The fourth proportional to 3,407, 5,110.10 and 942.04 is: 1,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407 : 5,110.10 = 942.04 : x
  2. Step 2: Convert to fraction form
    3,407/5,110.10 = 942.04/x
  3. Step 3: Cross multiply
    3,407x = 5,110.10 × 942.04
  4. Step 4: Simplify right side
    3,407x = 4,813,918.60
  5. Step 5: Solve for x
    x = 4,813,918.60/3,407
  6. Step 6: Final answer
    x = 1,412.95

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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.