Home / 2,415.99-3,626.42-1,764.75

Finding the Fourth Proportional to 2,415.99, 3,626.42 and 1,764.75

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Solution

The fourth proportional to 2,415.99, 3,626.42 and 1,764.75 is: 2,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.99 : 3,626.42 = 1,764.75 : x
  2. Step 2: Convert to fraction form
    2,415.99/3,626.42 = 1,764.75/x
  3. Step 3: Cross multiply
    2,415.99x = 3,626.42 × 1,764.75
  4. Step 4: Simplify right side
    2,415.99x = 6,399,715.87
  5. Step 5: Solve for x
    x = 6,399,715.87/2,415.99
  6. Step 6: Final answer
    x = 2,648.90

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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.