Home / 3,600.05-5,399.49-1,408.01

Finding the Fourth Proportional to 3,600.05, 5,399.49 and 1,408.01

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Solution

The fourth proportional to 3,600.05, 5,399.49 and 1,408.01 is: 2,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.05 : 5,399.49 = 1,408.01 : x
  2. Step 2: Convert to fraction form
    3,600.05/5,399.49 = 1,408.01/x
  3. Step 3: Cross multiply
    3,600.05x = 5,399.49 × 1,408.01
  4. Step 4: Simplify right side
    3,600.05x = 7,602,535.91
  5. Step 5: Solve for x
    x = 7,602,535.91/3,600.05
  6. Step 6: Final answer
    x = 2,111.79

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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.