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Finding the Fourth Proportional to 3,495.72, 4,823.79 and 2,059.86

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Solution

The fourth proportional to 3,495.72, 4,823.79 and 2,059.86 is: 2,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.72 : 4,823.79 = 2,059.86 : x
  2. Step 2: Convert to fraction form
    3,495.72/4,823.79 = 2,059.86/x
  3. Step 3: Cross multiply
    3,495.72x = 4,823.79 × 2,059.86
  4. Step 4: Simplify right side
    3,495.72x = 9,936,332.07
  5. Step 5: Solve for x
    x = 9,936,332.07/3,495.72
  6. Step 6: Final answer
    x = 2,842.43

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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.