Home / 2,180.89-3,266.81-1,066.96

Finding the Fourth Proportional to 2,180.89, 3,266.81 and 1,066.96

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Solution

The fourth proportional to 2,180.89, 3,266.81 and 1,066.96 is: 1,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.89 : 3,266.81 = 1,066.96 : x
  2. Step 2: Convert to fraction form
    2,180.89/3,266.81 = 1,066.96/x
  3. Step 3: Cross multiply
    2,180.89x = 3,266.81 × 1,066.96
  4. Step 4: Simplify right side
    2,180.89x = 3,485,545.97
  5. Step 5: Solve for x
    x = 3,485,545.97/2,180.89
  6. Step 6: Final answer
    x = 1,598.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.