Home / 2,968.24-4,455.43-2,189.13

Finding the Fourth Proportional to 2,968.24, 4,455.43 and 2,189.13

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Solution

The fourth proportional to 2,968.24, 4,455.43 and 2,189.13 is: 3,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.24 : 4,455.43 = 2,189.13 : x
  2. Step 2: Convert to fraction form
    2,968.24/4,455.43 = 2,189.13/x
  3. Step 3: Cross multiply
    2,968.24x = 4,455.43 × 2,189.13
  4. Step 4: Simplify right side
    2,968.24x = 9,753,515.48
  5. Step 5: Solve for x
    x = 9,753,515.48/2,968.24
  6. Step 6: Final answer
    x = 3,285.96

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1.5x scale

Why These Related Problems?

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