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Finding the Fourth Proportional to 3,705, 5,558.39 and 1,108.01

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Solution

The fourth proportional to 3,705, 5,558.39 and 1,108.01 is: 1,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705 : 5,558.39 = 1,108.01 : x
  2. Step 2: Convert to fraction form
    3,705/5,558.39 = 1,108.01/x
  3. Step 3: Cross multiply
    3,705x = 5,558.39 × 1,108.01
  4. Step 4: Simplify right side
    3,705x = 6,158,718.37
  5. Step 5: Solve for x
    x = 6,158,718.37/3,705
  6. Step 6: Final answer
    x = 1,662.27

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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.