Home / 1,889.75-2,608.27-1,050.74

Finding the Fourth Proportional to 1,889.75, 2,608.27 and 1,050.74

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Solution

The fourth proportional to 1,889.75, 2,608.27 and 1,050.74 is: 1,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.75 : 2,608.27 = 1,050.74 : x
  2. Step 2: Convert to fraction form
    1,889.75/2,608.27 = 1,050.74/x
  3. Step 3: Cross multiply
    1,889.75x = 2,608.27 × 1,050.74
  4. Step 4: Simplify right side
    1,889.75x = 2,740,621.45
  5. Step 5: Solve for x
    x = 2,740,621.45/1,889.75
  6. Step 6: Final answer
    x = 1,450.26

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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.