Home / 3,381.36-5,073.64-1,190.58

Finding the Fourth Proportional to 3,381.36, 5,073.64 and 1,190.58

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Solution

The fourth proportional to 3,381.36, 5,073.64 and 1,190.58 is: 1,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.36 : 5,073.64 = 1,190.58 : x
  2. Step 2: Convert to fraction form
    3,381.36/5,073.64 = 1,190.58/x
  3. Step 3: Cross multiply
    3,381.36x = 5,073.64 × 1,190.58
  4. Step 4: Simplify right side
    3,381.36x = 6,040,574.31
  5. Step 5: Solve for x
    x = 6,040,574.31/3,381.36
  6. Step 6: Final answer
    x = 1,786.43

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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.