Home / 3,459.05-5,189.22-1,267.89

Finding the Fourth Proportional to 3,459.05, 5,189.22 and 1,267.89

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Solution

The fourth proportional to 3,459.05, 5,189.22 and 1,267.89 is: 1,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.05 : 5,189.22 = 1,267.89 : x
  2. Step 2: Convert to fraction form
    3,459.05/5,189.22 = 1,267.89/x
  3. Step 3: Cross multiply
    3,459.05x = 5,189.22 × 1,267.89
  4. Step 4: Simplify right side
    3,459.05x = 6,579,360.15
  5. Step 5: Solve for x
    x = 6,579,360.15/3,459.05
  6. Step 6: Final answer
    x = 1,902.07

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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.