Home / 2,971.37-4,100.43-1,645.07

Finding the Fourth Proportional to 2,971.37, 4,100.43 and 1,645.07

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Solution

The fourth proportional to 2,971.37, 4,100.43 and 1,645.07 is: 2,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.37 : 4,100.43 = 1,645.07 : x
  2. Step 2: Convert to fraction form
    2,971.37/4,100.43 = 1,645.07/x
  3. Step 3: Cross multiply
    2,971.37x = 4,100.43 × 1,645.07
  4. Step 4: Simplify right side
    2,971.37x = 6,745,473.88
  5. Step 5: Solve for x
    x = 6,745,473.88/2,971.37
  6. Step 6: Final answer
    x = 2,270.16

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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.