Home / 3,218.56-4,819.67-2,697.19

Finding the Fourth Proportional to 3,218.56, 4,819.67 and 2,697.19

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Solution

The fourth proportional to 3,218.56, 4,819.67 and 2,697.19 is: 4,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.56 : 4,819.67 = 2,697.19 : x
  2. Step 2: Convert to fraction form
    3,218.56/4,819.67 = 2,697.19/x
  3. Step 3: Cross multiply
    3,218.56x = 4,819.67 × 2,697.19
  4. Step 4: Simplify right side
    3,218.56x = 12,999,565.73
  5. Step 5: Solve for x
    x = 12,999,565.73/3,218.56
  6. Step 6: Final answer
    x = 4,038.94

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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.