Home / 2,003.99-2,765.45-1,119.79

Finding the Fourth Proportional to 2,003.99, 2,765.45 and 1,119.79

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Solution

The fourth proportional to 2,003.99, 2,765.45 and 1,119.79 is: 1,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.99 : 2,765.45 = 1,119.79 : x
  2. Step 2: Convert to fraction form
    2,003.99/2,765.45 = 1,119.79/x
  3. Step 3: Cross multiply
    2,003.99x = 2,765.45 × 1,119.79
  4. Step 4: Simplify right side
    2,003.99x = 3,096,727.37
  5. Step 5: Solve for x
    x = 3,096,727.37/2,003.99
  6. Step 6: Final answer
    x = 1,545.28

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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.