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Finding the Fourth Proportional to 2,441.77, 3,369.74 and 1,379.77

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Solution

The fourth proportional to 2,441.77, 3,369.74 and 1,379.77 is: 1,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.77 : 3,369.74 = 1,379.77 : x
  2. Step 2: Convert to fraction form
    2,441.77/3,369.74 = 1,379.77/x
  3. Step 3: Cross multiply
    2,441.77x = 3,369.74 × 1,379.77
  4. Step 4: Simplify right side
    2,441.77x = 4,649,450.84
  5. Step 5: Solve for x
    x = 4,649,450.84/2,441.77
  6. Step 6: Final answer
    x = 1,904.13

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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.