Home / 2,455.55-3,682.09-1,223.64

Finding the Fourth Proportional to 2,455.55, 3,682.09 and 1,223.64

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Solution

The fourth proportional to 2,455.55, 3,682.09 and 1,223.64 is: 1,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.55 : 3,682.09 = 1,223.64 : x
  2. Step 2: Convert to fraction form
    2,455.55/3,682.09 = 1,223.64/x
  3. Step 3: Cross multiply
    2,455.55x = 3,682.09 × 1,223.64
  4. Step 4: Simplify right side
    2,455.55x = 4,505,554.14
  5. Step 5: Solve for x
    x = 4,505,554.14/2,455.55
  6. Step 6: Final answer
    x = 1,834.85

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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.