Home / 2,408.16-3,609.63-1,172.99

Finding the Fourth Proportional to 2,408.16, 3,609.63 and 1,172.99

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Solution

The fourth proportional to 2,408.16, 3,609.63 and 1,172.99 is: 1,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.16 : 3,609.63 = 1,172.99 : x
  2. Step 2: Convert to fraction form
    2,408.16/3,609.63 = 1,172.99/x
  3. Step 3: Cross multiply
    2,408.16x = 3,609.63 × 1,172.99
  4. Step 4: Simplify right side
    2,408.16x = 4,234,041.85
  5. Step 5: Solve for x
    x = 4,234,041.85/2,408.16
  6. Step 6: Final answer
    x = 1,758.21

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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.