Home / 2,765.08-4,147.09-1,263.72

Finding the Fourth Proportional to 2,765.08, 4,147.09 and 1,263.72

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Solution

The fourth proportional to 2,765.08, 4,147.09 and 1,263.72 is: 1,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.08 : 4,147.09 = 1,263.72 : x
  2. Step 2: Convert to fraction form
    2,765.08/4,147.09 = 1,263.72/x
  3. Step 3: Cross multiply
    2,765.08x = 4,147.09 × 1,263.72
  4. Step 4: Simplify right side
    2,765.08x = 5,240,760.57
  5. Step 5: Solve for x
    x = 5,240,760.57/2,765.08
  6. Step 6: Final answer
    x = 1,895.34

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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.