Home / 2,247.36-3,104.28-1,729.80

Finding the Fourth Proportional to 2,247.36, 3,104.28 and 1,729.80

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Solution

The fourth proportional to 2,247.36, 3,104.28 and 1,729.80 is: 2,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.36 : 3,104.28 = 1,729.80 : x
  2. Step 2: Convert to fraction form
    2,247.36/3,104.28 = 1,729.80/x
  3. Step 3: Cross multiply
    2,247.36x = 3,104.28 × 1,729.80
  4. Step 4: Simplify right side
    2,247.36x = 5,369,783.54
  5. Step 5: Solve for x
    x = 5,369,783.54/2,247.36
  6. Step 6: Final answer
    x = 2,389.37

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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.