Home / 1,890.07-2,608.24-1,050.73

Finding the Fourth Proportional to 1,890.07, 2,608.24 and 1,050.73

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Solution

The fourth proportional to 1,890.07, 2,608.24 and 1,050.73 is: 1,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.07 : 2,608.24 = 1,050.73 : x
  2. Step 2: Convert to fraction form
    1,890.07/2,608.24 = 1,050.73/x
  3. Step 3: Cross multiply
    1,890.07x = 2,608.24 × 1,050.73
  4. Step 4: Simplify right side
    1,890.07x = 2,740,556.02
  5. Step 5: Solve for x
    x = 2,740,556.02/1,890.07
  6. Step 6: Final answer
    x = 1,449.98

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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.