Home / 2,823.75-4,235.57-1,263.39

Finding the Fourth Proportional to 2,823.75, 4,235.57 and 1,263.39

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Solution

The fourth proportional to 2,823.75, 4,235.57 and 1,263.39 is: 1,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.75 : 4,235.57 = 1,263.39 : x
  2. Step 2: Convert to fraction form
    2,823.75/4,235.57 = 1,263.39/x
  3. Step 3: Cross multiply
    2,823.75x = 4,235.57 × 1,263.39
  4. Step 4: Simplify right side
    2,823.75x = 5,351,170.47
  5. Step 5: Solve for x
    x = 5,351,170.47/2,823.75
  6. Step 6: Final answer
    x = 1,895.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.