Home / 2,408.36-3,618.62-2,311.16

Finding the Fourth Proportional to 2,408.36, 3,618.62 and 2,311.16

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Solution

The fourth proportional to 2,408.36, 3,618.62 and 2,311.16 is: 3,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.36 : 3,618.62 = 2,311.16 : x
  2. Step 2: Convert to fraction form
    2,408.36/3,618.62 = 2,311.16/x
  3. Step 3: Cross multiply
    2,408.36x = 3,618.62 × 2,311.16
  4. Step 4: Simplify right side
    2,408.36x = 8,363,209.80
  5. Step 5: Solve for x
    x = 8,363,209.80/2,408.36
  6. Step 6: Final answer
    x = 3,472.57

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1.5x scale

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.