Home / 2,922.75-4,031.67-1,743.75

Finding the Fourth Proportional to 2,922.75, 4,031.67 and 1,743.75

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Solution

The fourth proportional to 2,922.75, 4,031.67 and 1,743.75 is: 2,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.75 : 4,031.67 = 1,743.75 : x
  2. Step 2: Convert to fraction form
    2,922.75/4,031.67 = 1,743.75/x
  3. Step 3: Cross multiply
    2,922.75x = 4,031.67 × 1,743.75
  4. Step 4: Simplify right side
    2,922.75x = 7,030,224.56
  5. Step 5: Solve for x
    x = 7,030,224.56/2,922.75
  6. Step 6: Final answer
    x = 2,405.35

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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.