Home / 2,292.25-3,164.13-1,360.75

Finding the Fourth Proportional to 2,292.25, 3,164.13 and 1,360.75

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Solution

The fourth proportional to 2,292.25, 3,164.13 and 1,360.75 is: 1,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.25 : 3,164.13 = 1,360.75 : x
  2. Step 2: Convert to fraction form
    2,292.25/3,164.13 = 1,360.75/x
  3. Step 3: Cross multiply
    2,292.25x = 3,164.13 × 1,360.75
  4. Step 4: Simplify right side
    2,292.25x = 4,305,583.09
  5. Step 5: Solve for x
    x = 4,305,583.09/2,292.25
  6. Step 6: Final answer
    x = 1,878.32

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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.