Home / 3,705.72-5,558.57-1,485.56

Finding the Fourth Proportional to 3,705.72, 5,558.57 and 1,485.56

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Solution

The fourth proportional to 3,705.72, 5,558.57 and 1,485.56 is: 2,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.72 : 5,558.57 = 1,485.56 : x
  2. Step 2: Convert to fraction form
    3,705.72/5,558.57 = 1,485.56/x
  3. Step 3: Cross multiply
    3,705.72x = 5,558.57 × 1,485.56
  4. Step 4: Simplify right side
    3,705.72x = 8,257,589.25
  5. Step 5: Solve for x
    x = 8,257,589.25/3,705.72
  6. Step 6: Final answer
    x = 2,228.34

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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.