Home / 2,867.56-3,957.32-1,608.52

Finding the Fourth Proportional to 2,867.56, 3,957.32 and 1,608.52

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Solution

The fourth proportional to 2,867.56, 3,957.32 and 1,608.52 is: 2,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.56 : 3,957.32 = 1,608.52 : x
  2. Step 2: Convert to fraction form
    2,867.56/3,957.32 = 1,608.52/x
  3. Step 3: Cross multiply
    2,867.56x = 3,957.32 × 1,608.52
  4. Step 4: Simplify right side
    2,867.56x = 6,365,428.37
  5. Step 5: Solve for x
    x = 6,365,428.37/2,867.56
  6. Step 6: Final answer
    x = 2,219.81

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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.