Home / 3,705.91-5,558.32-1,108.51

Finding the Fourth Proportional to 3,705.91, 5,558.32 and 1,108.51

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Solution

The fourth proportional to 3,705.91, 5,558.32 and 1,108.51 is: 1,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.91 : 5,558.32 = 1,108.51 : x
  2. Step 2: Convert to fraction form
    3,705.91/5,558.32 = 1,108.51/x
  3. Step 3: Cross multiply
    3,705.91x = 5,558.32 × 1,108.51
  4. Step 4: Simplify right side
    3,705.91x = 6,161,453.30
  5. Step 5: Solve for x
    x = 6,161,453.30/3,705.91
  6. Step 6: Final answer
    x = 1,662.60

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1.5x scale

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.