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Finding the Fourth Proportional to 3,052, 4,211.76 and 1,654.75

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Solution

The fourth proportional to 3,052, 4,211.76 and 1,654.75 is: 2,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052 : 4,211.76 = 1,654.75 : x
  2. Step 2: Convert to fraction form
    3,052/4,211.76 = 1,654.75/x
  3. Step 3: Cross multiply
    3,052x = 4,211.76 × 1,654.75
  4. Step 4: Simplify right side
    3,052x = 6,969,409.86
  5. Step 5: Solve for x
    x = 6,969,409.86/3,052
  6. Step 6: Final answer
    x = 2,283.56

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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.