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Finding the Fourth Proportional to 2,447, 3,670.50 and 1,059.96

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Solution

The fourth proportional to 2,447, 3,670.50 and 1,059.96 is: 1,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447 : 3,670.50 = 1,059.96 : x
  2. Step 2: Convert to fraction form
    2,447/3,670.50 = 1,059.96/x
  3. Step 3: Cross multiply
    2,447x = 3,670.50 × 1,059.96
  4. Step 4: Simplify right side
    2,447x = 3,890,583.18
  5. Step 5: Solve for x
    x = 3,890,583.18/2,447
  6. Step 6: Final answer
    x = 1,589.94

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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.