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Finding the Fourth Proportional to 2,468.62, 3,702.81 and 619.69

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Solution

The fourth proportional to 2,468.62, 3,702.81 and 619.69 is: 929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.62 : 3,702.81 = 619.69 : x
  2. Step 2: Convert to fraction form
    2,468.62/3,702.81 = 619.69/x
  3. Step 3: Cross multiply
    2,468.62x = 3,702.81 × 619.69
  4. Step 4: Simplify right side
    2,468.62x = 2,294,604.17
  5. Step 5: Solve for x
    x = 2,294,604.17/2,468.62
  6. Step 6: Final answer
    x = 929.51

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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.