Home / 2,002.85-2,763.66-1,118.54

Finding the Fourth Proportional to 2,002.85, 2,763.66 and 1,118.54

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Solution

The fourth proportional to 2,002.85, 2,763.66 and 1,118.54 is: 1,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.85 : 2,763.66 = 1,118.54 : x
  2. Step 2: Convert to fraction form
    2,002.85/2,763.66 = 1,118.54/x
  3. Step 3: Cross multiply
    2,002.85x = 2,763.66 × 1,118.54
  4. Step 4: Simplify right side
    2,002.85x = 3,091,264.26
  5. Step 5: Solve for x
    x = 3,091,264.26/2,002.85
  6. Step 6: Final answer
    x = 1,543.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.