Home / 1,447.24-2,170.26-581.32

Finding the Fourth Proportional to 1,447.24, 2,170.26 and 581.32

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Solution

The fourth proportional to 1,447.24, 2,170.26 and 581.32 is: 871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.24 : 2,170.26 = 581.32 : x
  2. Step 2: Convert to fraction form
    1,447.24/2,170.26 = 581.32/x
  3. Step 3: Cross multiply
    1,447.24x = 2,170.26 × 581.32
  4. Step 4: Simplify right side
    1,447.24x = 1,261,615.54
  5. Step 5: Solve for x
    x = 1,261,615.54/1,447.24
  6. Step 6: Final answer
    x = 871.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.