Home / 3,938.36-5,906.58-1,472.44

Finding the Fourth Proportional to 3,938.36, 5,906.58 and 1,472.44

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Solution

The fourth proportional to 3,938.36, 5,906.58 and 1,472.44 is: 2,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.36 : 5,906.58 = 1,472.44 : x
  2. Step 2: Convert to fraction form
    3,938.36/5,906.58 = 1,472.44/x
  3. Step 3: Cross multiply
    3,938.36x = 5,906.58 × 1,472.44
  4. Step 4: Simplify right side
    3,938.36x = 8,697,084.66
  5. Step 5: Solve for x
    x = 8,697,084.66/3,938.36
  6. Step 6: Final answer
    x = 2,208.30

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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.