Home / 1,890.14-2,608.94-1,104.37

Finding the Fourth Proportional to 1,890.14, 2,608.94 and 1,104.37

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Solution

The fourth proportional to 1,890.14, 2,608.94 and 1,104.37 is: 1,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.14 : 2,608.94 = 1,104.37 : x
  2. Step 2: Convert to fraction form
    1,890.14/2,608.94 = 1,104.37/x
  3. Step 3: Cross multiply
    1,890.14x = 2,608.94 × 1,104.37
  4. Step 4: Simplify right side
    1,890.14x = 2,881,231.31
  5. Step 5: Solve for x
    x = 2,881,231.31/1,890.14
  6. Step 6: Final answer
    x = 1,524.35

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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.