Home / 3,162.54-4,362.48-1,902.72

Finding the Fourth Proportional to 3,162.54, 4,362.48 and 1,902.72

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Solution

The fourth proportional to 3,162.54, 4,362.48 and 1,902.72 is: 2,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.54 : 4,362.48 = 1,902.72 : x
  2. Step 2: Convert to fraction form
    3,162.54/4,362.48 = 1,902.72/x
  3. Step 3: Cross multiply
    3,162.54x = 4,362.48 × 1,902.72
  4. Step 4: Simplify right side
    3,162.54x = 8,300,577.95
  5. Step 5: Solve for x
    x = 8,300,577.95/3,162.54
  6. Step 6: Final answer
    x = 2,624.66

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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.