Home / 2,255.76-3,112.56-1,416.96

Finding the Fourth Proportional to 2,255.76, 3,112.56 and 1,416.96

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Solution

The fourth proportional to 2,255.76, 3,112.56 and 1,416.96 is: 1,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.76 : 3,112.56 = 1,416.96 : x
  2. Step 2: Convert to fraction form
    2,255.76/3,112.56 = 1,416.96/x
  3. Step 3: Cross multiply
    2,255.76x = 3,112.56 × 1,416.96
  4. Step 4: Simplify right side
    2,255.76x = 4,410,373.02
  5. Step 5: Solve for x
    x = 4,410,373.02/2,255.76
  6. Step 6: Final answer
    x = 1,955.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.