Home / 2,835.09-3,912.84-1,716.15

Finding the Fourth Proportional to 2,835.09, 3,912.84 and 1,716.15

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Solution

The fourth proportional to 2,835.09, 3,912.84 and 1,716.15 is: 2,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.09 : 3,912.84 = 1,716.15 : x
  2. Step 2: Convert to fraction form
    2,835.09/3,912.84 = 1,716.15/x
  3. Step 3: Cross multiply
    2,835.09x = 3,912.84 × 1,716.15
  4. Step 4: Simplify right side
    2,835.09x = 6,715,020.37
  5. Step 5: Solve for x
    x = 6,715,020.37/2,835.09
  6. Step 6: Final answer
    x = 2,368.54

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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.