Home / 2,004.90-2,766.78-1,165.65

Finding the Fourth Proportional to 2,004.90, 2,766.78 and 1,165.65

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Solution

The fourth proportional to 2,004.90, 2,766.78 and 1,165.65 is: 1,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.90 : 2,766.78 = 1,165.65 : x
  2. Step 2: Convert to fraction form
    2,004.90/2,766.78 = 1,165.65/x
  3. Step 3: Cross multiply
    2,004.90x = 2,766.78 × 1,165.65
  4. Step 4: Simplify right side
    2,004.90x = 3,225,097.11
  5. Step 5: Solve for x
    x = 3,225,097.11/2,004.90
  6. Step 6: Final answer
    x = 1,608.61

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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.