Home / 3,459.16-5,189.46-1,267.96

Finding the Fourth Proportional to 3,459.16, 5,189.46 and 1,267.96

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Solution

The fourth proportional to 3,459.16, 5,189.46 and 1,267.96 is: 1,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.16 : 5,189.46 = 1,267.96 : x
  2. Step 2: Convert to fraction form
    3,459.16/5,189.46 = 1,267.96/x
  3. Step 3: Cross multiply
    3,459.16x = 5,189.46 × 1,267.96
  4. Step 4: Simplify right side
    3,459.16x = 6,580,027.70
  5. Step 5: Solve for x
    x = 6,580,027.70/3,459.16
  6. Step 6: Final answer
    x = 1,902.20

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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.