Home / 2,988.06-4,123.44-1,661.67

Finding the Fourth Proportional to 2,988.06, 4,123.44 and 1,661.67

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Solution

The fourth proportional to 2,988.06, 4,123.44 and 1,661.67 is: 2,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.06 : 4,123.44 = 1,661.67 : x
  2. Step 2: Convert to fraction form
    2,988.06/4,123.44 = 1,661.67/x
  3. Step 3: Cross multiply
    2,988.06x = 4,123.44 × 1,661.67
  4. Step 4: Simplify right side
    2,988.06x = 6,851,796.54
  5. Step 5: Solve for x
    x = 6,851,796.54/2,988.06
  6. Step 6: Final answer
    x = 2,293.06

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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.