Home / 2,922.75-4,033.53-1,876.23

Finding the Fourth Proportional to 2,922.75, 4,033.53 and 1,876.23

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Solution

The fourth proportional to 2,922.75, 4,033.53 and 1,876.23 is: 2,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.75 : 4,033.53 = 1,876.23 : x
  2. Step 2: Convert to fraction form
    2,922.75/4,033.53 = 1,876.23/x
  3. Step 3: Cross multiply
    2,922.75x = 4,033.53 × 1,876.23
  4. Step 4: Simplify right side
    2,922.75x = 7,567,829.99
  5. Step 5: Solve for x
    x = 7,567,829.99/2,922.75
  6. Step 6: Final answer
    x = 2,589.28

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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.