Home / 2,964.35-4,090.82-1,619.98

Finding the Fourth Proportional to 2,964.35, 4,090.82 and 1,619.98

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Solution

The fourth proportional to 2,964.35, 4,090.82 and 1,619.98 is: 2,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.35 : 4,090.82 = 1,619.98 : x
  2. Step 2: Convert to fraction form
    2,964.35/4,090.82 = 1,619.98/x
  3. Step 3: Cross multiply
    2,964.35x = 4,090.82 × 1,619.98
  4. Step 4: Simplify right side
    2,964.35x = 6,627,028.26
  5. Step 5: Solve for x
    x = 6,627,028.26/2,964.35
  6. Step 6: Final answer
    x = 2,235.57

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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.