Home / 2,355.85-3,533.86-1,185.22

Finding the Fourth Proportional to 2,355.85, 3,533.86 and 1,185.22

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Solution

The fourth proportional to 2,355.85, 3,533.86 and 1,185.22 is: 1,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.85 : 3,533.86 = 1,185.22 : x
  2. Step 2: Convert to fraction form
    2,355.85/3,533.86 = 1,185.22/x
  3. Step 3: Cross multiply
    2,355.85x = 3,533.86 × 1,185.22
  4. Step 4: Simplify right side
    2,355.85x = 4,188,380.90
  5. Step 5: Solve for x
    x = 4,188,380.90/2,355.85
  6. Step 6: Final answer
    x = 1,777.86

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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.