Home / 1,890.26-2,608.56-1,051.04

Finding the Fourth Proportional to 1,890.26, 2,608.56 and 1,051.04

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Solution

The fourth proportional to 1,890.26, 2,608.56 and 1,051.04 is: 1,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.26 : 2,608.56 = 1,051.04 : x
  2. Step 2: Convert to fraction form
    1,890.26/2,608.56 = 1,051.04/x
  3. Step 3: Cross multiply
    1,890.26x = 2,608.56 × 1,051.04
  4. Step 4: Simplify right side
    1,890.26x = 2,741,687.86
  5. Step 5: Solve for x
    x = 2,741,687.86/1,890.26
  6. Step 6: Final answer
    x = 1,450.43

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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.