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Finding the Fourth Proportional to 3,706, 5,559.04 and 1,108.96

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Solution

The fourth proportional to 3,706, 5,559.04 and 1,108.96 is: 1,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706 : 5,559.04 = 1,108.96 : x
  2. Step 2: Convert to fraction form
    3,706/5,559.04 = 1,108.96/x
  3. Step 3: Cross multiply
    3,706x = 5,559.04 × 1,108.96
  4. Step 4: Simplify right side
    3,706x = 6,164,753.00
  5. Step 5: Solve for x
    x = 6,164,753.00/3,706
  6. Step 6: Final answer
    x = 1,663.45

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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.