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Finding the Fourth Proportional to 3,890.04, 5,832.98 and 1,292.04

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Solution

The fourth proportional to 3,890.04, 5,832.98 and 1,292.04 is: 1,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.04 : 5,832.98 = 1,292.04 : x
  2. Step 2: Convert to fraction form
    3,890.04/5,832.98 = 1,292.04/x
  3. Step 3: Cross multiply
    3,890.04x = 5,832.98 × 1,292.04
  4. Step 4: Simplify right side
    3,890.04x = 7,536,443.48
  5. Step 5: Solve for x
    x = 7,536,443.48/3,890.04
  6. Step 6: Final answer
    x = 1,937.37

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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.