Home / 3,702.45-5,551.79-1,105.05

Finding the Fourth Proportional to 3,702.45, 5,551.79 and 1,105.05

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Solution

The fourth proportional to 3,702.45, 5,551.79 and 1,105.05 is: 1,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.45 : 5,551.79 = 1,105.05 : x
  2. Step 2: Convert to fraction form
    3,702.45/5,551.79 = 1,105.05/x
  3. Step 3: Cross multiply
    3,702.45x = 5,551.79 × 1,105.05
  4. Step 4: Simplify right side
    3,702.45x = 6,135,000.01
  5. Step 5: Solve for x
    x = 6,135,000.01/3,702.45
  6. Step 6: Final answer
    x = 1,657.01

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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.