Home / 3,728.12-5,584.89-3,407.36

Finding the Fourth Proportional to 3,728.12, 5,584.89 and 3,407.36

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Solution

The fourth proportional to 3,728.12, 5,584.89 and 3,407.36 is: 5,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.12 : 5,584.89 = 3,407.36 : x
  2. Step 2: Convert to fraction form
    3,728.12/5,584.89 = 3,407.36/x
  3. Step 3: Cross multiply
    3,728.12x = 5,584.89 × 3,407.36
  4. Step 4: Simplify right side
    3,728.12x = 19,029,730.79
  5. Step 5: Solve for x
    x = 19,029,730.79/3,728.12
  6. Step 6: Final answer
    x = 5,104.38

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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.