Home / 2,765.08-3,815.91-1,506.16

Finding the Fourth Proportional to 2,765.08, 3,815.91 and 1,506.16

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Solution

The fourth proportional to 2,765.08, 3,815.91 and 1,506.16 is: 2,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.08 : 3,815.91 = 1,506.16 : x
  2. Step 2: Convert to fraction form
    2,765.08/3,815.91 = 1,506.16/x
  3. Step 3: Cross multiply
    2,765.08x = 3,815.91 × 1,506.16
  4. Step 4: Simplify right side
    2,765.08x = 5,747,375.78
  5. Step 5: Solve for x
    x = 5,747,375.78/2,765.08
  6. Step 6: Final answer
    x = 2,078.56

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1.5x scale

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.