Home / 2,194.16-3,026.26-1,397.62

Finding the Fourth Proportional to 2,194.16, 3,026.26 and 1,397.62

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Solution

The fourth proportional to 2,194.16, 3,026.26 and 1,397.62 is: 1,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.16 : 3,026.26 = 1,397.62 : x
  2. Step 2: Convert to fraction form
    2,194.16/3,026.26 = 1,397.62/x
  3. Step 3: Cross multiply
    2,194.16x = 3,026.26 × 1,397.62
  4. Step 4: Simplify right side
    2,194.16x = 4,229,567.03
  5. Step 5: Solve for x
    x = 4,229,567.03/2,194.16
  6. Step 6: Final answer
    x = 1,927.65

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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.