Home / 3,644.36-5,029.16-2,072.34

Finding the Fourth Proportional to 3,644.36, 5,029.16 and 2,072.34

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Solution

The fourth proportional to 3,644.36, 5,029.16 and 2,072.34 is: 2,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.36 : 5,029.16 = 2,072.34 : x
  2. Step 2: Convert to fraction form
    3,644.36/5,029.16 = 2,072.34/x
  3. Step 3: Cross multiply
    3,644.36x = 5,029.16 × 2,072.34
  4. Step 4: Simplify right side
    3,644.36x = 10,422,119.07
  5. Step 5: Solve for x
    x = 10,422,119.07/3,644.36
  6. Step 6: Final answer
    x = 2,859.80

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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.