Home / 2,968.98-4,096.77-1,642.67

Finding the Fourth Proportional to 2,968.98, 4,096.77 and 1,642.67

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Solution

The fourth proportional to 2,968.98, 4,096.77 and 1,642.67 is: 2,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.98 : 4,096.77 = 1,642.67 : x
  2. Step 2: Convert to fraction form
    2,968.98/4,096.77 = 1,642.67/x
  3. Step 3: Cross multiply
    2,968.98x = 4,096.77 × 1,642.67
  4. Step 4: Simplify right side
    2,968.98x = 6,729,620.69
  5. Step 5: Solve for x
    x = 6,729,620.69/2,968.98
  6. Step 6: Final answer
    x = 2,266.64

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1.5x scale

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.