Home / 2,379.35-3,551.83-2,087.75

Finding the Fourth Proportional to 2,379.35, 3,551.83 and 2,087.75

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Solution

The fourth proportional to 2,379.35, 3,551.83 and 2,087.75 is: 3,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.35 : 3,551.83 = 2,087.75 : x
  2. Step 2: Convert to fraction form
    2,379.35/3,551.83 = 2,087.75/x
  3. Step 3: Cross multiply
    2,379.35x = 3,551.83 × 2,087.75
  4. Step 4: Simplify right side
    2,379.35x = 7,415,333.08
  5. Step 5: Solve for x
    x = 7,415,333.08/2,379.35
  6. Step 6: Final answer
    x = 3,116.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.