Home / 2,334.15-3,219.75-1,449.32

Finding the Fourth Proportional to 2,334.15, 3,219.75 and 1,449.32

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Solution

The fourth proportional to 2,334.15, 3,219.75 and 1,449.32 is: 1,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.15 : 3,219.75 = 1,449.32 : x
  2. Step 2: Convert to fraction form
    2,334.15/3,219.75 = 1,449.32/x
  3. Step 3: Cross multiply
    2,334.15x = 3,219.75 × 1,449.32
  4. Step 4: Simplify right side
    2,334.15x = 4,666,431.97
  5. Step 5: Solve for x
    x = 4,666,431.97/2,334.15
  6. Step 6: Final answer
    x = 1,999.20

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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.