Home / 3,059.56-4,223.48-1,998.64

Finding the Fourth Proportional to 3,059.56, 4,223.48 and 1,998.64

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Solution

The fourth proportional to 3,059.56, 4,223.48 and 1,998.64 is: 2,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.56 : 4,223.48 = 1,998.64 : x
  2. Step 2: Convert to fraction form
    3,059.56/4,223.48 = 1,998.64/x
  3. Step 3: Cross multiply
    3,059.56x = 4,223.48 × 1,998.64
  4. Step 4: Simplify right side
    3,059.56x = 8,441,216.07
  5. Step 5: Solve for x
    x = 8,441,216.07/3,059.56
  6. Step 6: Final answer
    x = 2,758.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.