Home / 2,003.97-2,765.36-1,119.77

Finding the Fourth Proportional to 2,003.97, 2,765.36 and 1,119.77

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Solution

The fourth proportional to 2,003.97, 2,765.36 and 1,119.77 is: 1,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.97 : 2,765.36 = 1,119.77 : x
  2. Step 2: Convert to fraction form
    2,003.97/2,765.36 = 1,119.77/x
  3. Step 3: Cross multiply
    2,003.97x = 2,765.36 × 1,119.77
  4. Step 4: Simplify right side
    2,003.97x = 3,096,547.74
  5. Step 5: Solve for x
    x = 3,096,547.74/2,003.97
  6. Step 6: Final answer
    x = 1,545.21

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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.