Home / 3,788.48-5,682.69-1,479.98

Finding the Fourth Proportional to 3,788.48, 5,682.69 and 1,479.98

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Solution

The fourth proportional to 3,788.48, 5,682.69 and 1,479.98 is: 2,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.48 : 5,682.69 = 1,479.98 : x
  2. Step 2: Convert to fraction form
    3,788.48/5,682.69 = 1,479.98/x
  3. Step 3: Cross multiply
    3,788.48x = 5,682.69 × 1,479.98
  4. Step 4: Simplify right side
    3,788.48x = 8,410,267.55
  5. Step 5: Solve for x
    x = 8,410,267.55/3,788.48
  6. Step 6: Final answer
    x = 2,219.96

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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.