Home / 2,765.01-3,815.75-1,506.09

Finding the Fourth Proportional to 2,765.01, 3,815.75 and 1,506.09

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Solution

The fourth proportional to 2,765.01, 3,815.75 and 1,506.09 is: 2,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.01 : 3,815.75 = 1,506.09 : x
  2. Step 2: Convert to fraction form
    2,765.01/3,815.75 = 1,506.09/x
  3. Step 3: Cross multiply
    2,765.01x = 3,815.75 × 1,506.09
  4. Step 4: Simplify right side
    2,765.01x = 5,746,862.92
  5. Step 5: Solve for x
    x = 5,746,862.92/2,765.01
  6. Step 6: Final answer
    x = 2,078.42

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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.