Home / 2,194.68-3,028.55-1,310.16

Finding the Fourth Proportional to 2,194.68, 3,028.55 and 1,310.16

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Solution

The fourth proportional to 2,194.68, 3,028.55 and 1,310.16 is: 1,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.68 : 3,028.55 = 1,310.16 : x
  2. Step 2: Convert to fraction form
    2,194.68/3,028.55 = 1,310.16/x
  3. Step 3: Cross multiply
    2,194.68x = 3,028.55 × 1,310.16
  4. Step 4: Simplify right side
    2,194.68x = 3,967,885.07
  5. Step 5: Solve for x
    x = 3,967,885.07/2,194.68
  6. Step 6: Final answer
    x = 1,807.96

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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.