Home / 2,975.17-4,104.73-1,855.21

Finding the Fourth Proportional to 2,975.17, 4,104.73 and 1,855.21

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Solution

The fourth proportional to 2,975.17, 4,104.73 and 1,855.21 is: 2,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.17 : 4,104.73 = 1,855.21 : x
  2. Step 2: Convert to fraction form
    2,975.17/4,104.73 = 1,855.21/x
  3. Step 3: Cross multiply
    2,975.17x = 4,104.73 × 1,855.21
  4. Step 4: Simplify right side
    2,975.17x = 7,615,136.14
  5. Step 5: Solve for x
    x = 7,615,136.14/2,975.17
  6. Step 6: Final answer
    x = 2,559.56

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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.