Home / 2,004.25-2,765.87-1,120.07

Finding the Fourth Proportional to 2,004.25, 2,765.87 and 1,120.07

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Solution

The fourth proportional to 2,004.25, 2,765.87 and 1,120.07 is: 1,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.25 : 2,765.87 = 1,120.07 : x
  2. Step 2: Convert to fraction form
    2,004.25/2,765.87 = 1,120.07/x
  3. Step 3: Cross multiply
    2,004.25x = 2,765.87 × 1,120.07
  4. Step 4: Simplify right side
    2,004.25x = 3,097,964.27
  5. Step 5: Solve for x
    x = 3,097,964.27/2,004.25
  6. Step 6: Final answer
    x = 1,545.70

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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.