Home / 3,588.91-5,381.30-1,395.08

Finding the Fourth Proportional to 3,588.91, 5,381.30 and 1,395.08

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Solution

The fourth proportional to 3,588.91, 5,381.30 and 1,395.08 is: 2,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.91 : 5,381.30 = 1,395.08 : x
  2. Step 2: Convert to fraction form
    3,588.91/5,381.30 = 1,395.08/x
  3. Step 3: Cross multiply
    3,588.91x = 5,381.30 × 1,395.08
  4. Step 4: Simplify right side
    3,588.91x = 7,507,310.12
  5. Step 5: Solve for x
    x = 7,507,310.12/3,588.91
  6. Step 6: Final answer
    x = 2,091.81

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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.