Home / 2,968.43-4,442.99-2,188.12

Finding the Fourth Proportional to 2,968.43, 4,442.99 and 2,188.12

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Solution

The fourth proportional to 2,968.43, 4,442.99 and 2,188.12 is: 3,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.43 : 4,442.99 = 2,188.12 : x
  2. Step 2: Convert to fraction form
    2,968.43/4,442.99 = 2,188.12/x
  3. Step 3: Cross multiply
    2,968.43x = 4,442.99 × 2,188.12
  4. Step 4: Simplify right side
    2,968.43x = 9,721,784.34
  5. Step 5: Solve for x
    x = 9,721,784.34/2,968.43
  6. Step 6: Final answer
    x = 3,275.06

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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.