Home / 2,975.28-4,104.24-1,855.80

Finding the Fourth Proportional to 2,975.28, 4,104.24 and 1,855.80

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Solution

The fourth proportional to 2,975.28, 4,104.24 and 1,855.80 is: 2,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.28 : 4,104.24 = 1,855.80 : x
  2. Step 2: Convert to fraction form
    2,975.28/4,104.24 = 1,855.80/x
  3. Step 3: Cross multiply
    2,975.28x = 4,104.24 × 1,855.80
  4. Step 4: Simplify right side
    2,975.28x = 7,616,648.59
  5. Step 5: Solve for x
    x = 7,616,648.59/2,975.28
  6. Step 6: Final answer
    x = 2,559.98

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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.