Home / 3,722.36-5,579.66-1,256.33

Finding the Fourth Proportional to 3,722.36, 5,579.66 and 1,256.33

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Solution

The fourth proportional to 3,722.36, 5,579.66 and 1,256.33 is: 1,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.36 : 5,579.66 = 1,256.33 : x
  2. Step 2: Convert to fraction form
    3,722.36/5,579.66 = 1,256.33/x
  3. Step 3: Cross multiply
    3,722.36x = 5,579.66 × 1,256.33
  4. Step 4: Simplify right side
    3,722.36x = 7,009,911.34
  5. Step 5: Solve for x
    x = 7,009,911.34/3,722.36
  6. Step 6: Final answer
    x = 1,883.19

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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.