Home / 2,237.51-3,087.81-1,229.25

Finding the Fourth Proportional to 2,237.51, 3,087.81 and 1,229.25

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Solution

The fourth proportional to 2,237.51, 3,087.81 and 1,229.25 is: 1,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.51 : 3,087.81 = 1,229.25 : x
  2. Step 2: Convert to fraction form
    2,237.51/3,087.81 = 1,229.25/x
  3. Step 3: Cross multiply
    2,237.51x = 3,087.81 × 1,229.25
  4. Step 4: Simplify right side
    2,237.51x = 3,795,690.44
  5. Step 5: Solve for x
    x = 3,795,690.44/2,237.51
  6. Step 6: Final answer
    x = 1,696.39

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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.