Home / 3,168.99-4,374.09-1,910.16

Finding the Fourth Proportional to 3,168.99, 4,374.09 and 1,910.16

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Solution

The fourth proportional to 3,168.99, 4,374.09 and 1,910.16 is: 2,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.99 : 4,374.09 = 1,910.16 : x
  2. Step 2: Convert to fraction form
    3,168.99/4,374.09 = 1,910.16/x
  3. Step 3: Cross multiply
    3,168.99x = 4,374.09 × 1,910.16
  4. Step 4: Simplify right side
    3,168.99x = 8,355,211.75
  5. Step 5: Solve for x
    x = 8,355,211.75/3,168.99
  6. Step 6: Final answer
    x = 2,636.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.