Home / 1,890.25-2,608.55-1,050.93

Finding the Fourth Proportional to 1,890.25, 2,608.55 and 1,050.93

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Solution

The fourth proportional to 1,890.25, 2,608.55 and 1,050.93 is: 1,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.25 : 2,608.55 = 1,050.93 : x
  2. Step 2: Convert to fraction form
    1,890.25/2,608.55 = 1,050.93/x
  3. Step 3: Cross multiply
    1,890.25x = 2,608.55 × 1,050.93
  4. Step 4: Simplify right side
    1,890.25x = 2,741,403.45
  5. Step 5: Solve for x
    x = 2,741,403.45/1,890.25
  6. Step 6: Final answer
    x = 1,450.29

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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.