Home / 3,738.49-5,121.75-3,598.36

Finding the Fourth Proportional to 3,738.49, 5,121.75 and 3,598.36

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Solution

The fourth proportional to 3,738.49, 5,121.75 and 3,598.36 is: 4,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.49 : 5,121.75 = 3,598.36 : x
  2. Step 2: Convert to fraction form
    3,738.49/5,121.75 = 3,598.36/x
  3. Step 3: Cross multiply
    3,738.49x = 5,121.75 × 3,598.36
  4. Step 4: Simplify right side
    3,738.49x = 18,429,900.33
  5. Step 5: Solve for x
    x = 18,429,900.33/3,738.49
  6. Step 6: Final answer
    x = 4,929.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.