Home / 2,004.38-2,765.99-1,108.19

Finding the Fourth Proportional to 2,004.38, 2,765.99 and 1,108.19

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Solution

The fourth proportional to 2,004.38, 2,765.99 and 1,108.19 is: 1,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.38 : 2,765.99 = 1,108.19 : x
  2. Step 2: Convert to fraction form
    2,004.38/2,765.99 = 1,108.19/x
  3. Step 3: Cross multiply
    2,004.38x = 2,765.99 × 1,108.19
  4. Step 4: Simplify right side
    2,004.38x = 3,065,242.46
  5. Step 5: Solve for x
    x = 3,065,242.46/2,004.38
  6. Step 6: Final answer
    x = 1,529.27

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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.