Home / 2,004.08-2,765.58-1,107.89

Finding the Fourth Proportional to 2,004.08, 2,765.58 and 1,107.89

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Solution

The fourth proportional to 2,004.08, 2,765.58 and 1,107.89 is: 1,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.08 : 2,765.58 = 1,107.89 : x
  2. Step 2: Convert to fraction form
    2,004.08/2,765.58 = 1,107.89/x
  3. Step 3: Cross multiply
    2,004.08x = 2,765.58 × 1,107.89
  4. Step 4: Simplify right side
    2,004.08x = 3,063,959.38
  5. Step 5: Solve for x
    x = 3,063,959.38/2,004.08
  6. Step 6: Final answer
    x = 1,528.86

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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.