Home / 3,705.20-5,558.52-1,108.08

Finding the Fourth Proportional to 3,705.20, 5,558.52 and 1,108.08

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Solution

The fourth proportional to 3,705.20, 5,558.52 and 1,108.08 is: 1,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.20 : 5,558.52 = 1,108.08 : x
  2. Step 2: Convert to fraction form
    3,705.20/5,558.52 = 1,108.08/x
  3. Step 3: Cross multiply
    3,705.20x = 5,558.52 × 1,108.08
  4. Step 4: Simplify right side
    3,705.20x = 6,159,284.84
  5. Step 5: Solve for x
    x = 6,159,284.84/3,705.20
  6. Step 6: Final answer
    x = 1,662.34

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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.