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Finding the Fourth Proportional to 3,300, 4,555.08 and 1,902.48

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Solution

The fourth proportional to 3,300, 4,555.08 and 1,902.48 is: 2,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300 : 4,555.08 = 1,902.48 : x
  2. Step 2: Convert to fraction form
    3,300/4,555.08 = 1,902.48/x
  3. Step 3: Cross multiply
    3,300x = 4,555.08 × 1,902.48
  4. Step 4: Simplify right side
    3,300x = 8,665,948.60
  5. Step 5: Solve for x
    x = 8,665,948.60/3,300
  6. Step 6: Final answer
    x = 2,626.05

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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.