Home / 2,867.31-3,956.66-1,608.11

Finding the Fourth Proportional to 2,867.31, 3,956.66 and 1,608.11

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Solution

The fourth proportional to 2,867.31, 3,956.66 and 1,608.11 is: 2,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.31 : 3,956.66 = 1,608.11 : x
  2. Step 2: Convert to fraction form
    2,867.31/3,956.66 = 1,608.11/x
  3. Step 3: Cross multiply
    2,867.31x = 3,956.66 × 1,608.11
  4. Step 4: Simplify right side
    2,867.31x = 6,362,744.51
  5. Step 5: Solve for x
    x = 6,362,744.51/2,867.31
  6. Step 6: Final answer
    x = 2,219.06

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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.