Home / 2,287.22-3,154.70-1,448.06

Finding the Fourth Proportional to 2,287.22, 3,154.70 and 1,448.06

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Solution

The fourth proportional to 2,287.22, 3,154.70 and 1,448.06 is: 1,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.22 : 3,154.70 = 1,448.06 : x
  2. Step 2: Convert to fraction form
    2,287.22/3,154.70 = 1,448.06/x
  3. Step 3: Cross multiply
    2,287.22x = 3,154.70 × 1,448.06
  4. Step 4: Simplify right side
    2,287.22x = 4,568,187.64
  5. Step 5: Solve for x
    x = 4,568,187.64/2,287.22
  6. Step 6: Final answer
    x = 1,997.27

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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.