Home / 2,027.80-2,798.38-1,119.34

Finding the Fourth Proportional to 2,027.80, 2,798.38 and 1,119.34

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Solution

The fourth proportional to 2,027.80, 2,798.38 and 1,119.34 is: 1,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.80 : 2,798.38 = 1,119.34 : x
  2. Step 2: Convert to fraction form
    2,027.80/2,798.38 = 1,119.34/x
  3. Step 3: Cross multiply
    2,027.80x = 2,798.38 × 1,119.34
  4. Step 4: Simplify right side
    2,027.80x = 3,132,338.67
  5. Step 5: Solve for x
    x = 3,132,338.67/2,027.80
  6. Step 6: Final answer
    x = 1,544.70

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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.