Home / 2,902.82-4,006.40-1,643.94

Finding the Fourth Proportional to 2,902.82, 4,006.40 and 1,643.94

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Solution

The fourth proportional to 2,902.82, 4,006.40 and 1,643.94 is: 2,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.82 : 4,006.40 = 1,643.94 : x
  2. Step 2: Convert to fraction form
    2,902.82/4,006.40 = 1,643.94/x
  3. Step 3: Cross multiply
    2,902.82x = 4,006.40 × 1,643.94
  4. Step 4: Simplify right side
    2,902.82x = 6,586,273.00
  5. Step 5: Solve for x
    x = 6,586,273.00/2,902.82
  6. Step 6: Final answer
    x = 2,268.93

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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.