Home / 2,201.96-3,036.42-1,888.28

Finding the Fourth Proportional to 2,201.96, 3,036.42 and 1,888.28

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Solution

The fourth proportional to 2,201.96, 3,036.42 and 1,888.28 is: 2,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.96 : 3,036.42 = 1,888.28 : x
  2. Step 2: Convert to fraction form
    2,201.96/3,036.42 = 1,888.28/x
  3. Step 3: Cross multiply
    2,201.96x = 3,036.42 × 1,888.28
  4. Step 4: Simplify right side
    2,201.96x = 5,733,611.16
  5. Step 5: Solve for x
    x = 5,733,611.16/2,201.96
  6. Step 6: Final answer
    x = 2,603.87

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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.