Home / 3,364.83-4,643.43-1,872.73

Finding the Fourth Proportional to 3,364.83, 4,643.43 and 1,872.73

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Solution

The fourth proportional to 3,364.83, 4,643.43 and 1,872.73 is: 2,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.83 : 4,643.43 = 1,872.73 : x
  2. Step 2: Convert to fraction form
    3,364.83/4,643.43 = 1,872.73/x
  3. Step 3: Cross multiply
    3,364.83x = 4,643.43 × 1,872.73
  4. Step 4: Simplify right side
    3,364.83x = 8,695,867.45
  5. Step 5: Solve for x
    x = 8,695,867.45/3,364.83
  6. Step 6: Final answer
    x = 2,584.34

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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.