Home / 2,835.82-3,912.53-1,716.40

Finding the Fourth Proportional to 2,835.82, 3,912.53 and 1,716.40

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Solution

The fourth proportional to 2,835.82, 3,912.53 and 1,716.40 is: 2,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.82 : 3,912.53 = 1,716.40 : x
  2. Step 2: Convert to fraction form
    2,835.82/3,912.53 = 1,716.40/x
  3. Step 3: Cross multiply
    2,835.82x = 3,912.53 × 1,716.40
  4. Step 4: Simplify right side
    2,835.82x = 6,715,448.13
  5. Step 5: Solve for x
    x = 6,715,448.13/2,835.82
  6. Step 6: Final answer
    x = 2,368.08

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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.