Home / 2,400.19-3,600.49-668.81

Finding the Fourth Proportional to 2,400.19, 3,600.49 and 668.81

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Solution

The fourth proportional to 2,400.19, 3,600.49 and 668.81 is: 1,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.19 : 3,600.49 = 668.81 : x
  2. Step 2: Convert to fraction form
    2,400.19/3,600.49 = 668.81/x
  3. Step 3: Cross multiply
    2,400.19x = 3,600.49 × 668.81
  4. Step 4: Simplify right side
    2,400.19x = 2,408,051.05
  5. Step 5: Solve for x
    x = 2,408,051.05/2,400.19
  6. Step 6: Final answer
    x = 1,003.28

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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.