Home / 2,401.16-3,600.36-938.64

Finding the Fourth Proportional to 2,401.16, 3,600.36 and 938.64

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Solution

The fourth proportional to 2,401.16, 3,600.36 and 938.64 is: 1,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.16 : 3,600.36 = 938.64 : x
  2. Step 2: Convert to fraction form
    2,401.16/3,600.36 = 938.64/x
  3. Step 3: Cross multiply
    2,401.16x = 3,600.36 × 938.64
  4. Step 4: Simplify right side
    2,401.16x = 3,379,441.91
  5. Step 5: Solve for x
    x = 3,379,441.91/2,401.16
  6. Step 6: Final answer
    x = 1,407.42

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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.