Home / 3,289.90-4,932.42-1,556.50

Finding the Fourth Proportional to 3,289.90, 4,932.42 and 1,556.50

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Solution

The fourth proportional to 3,289.90, 4,932.42 and 1,556.50 is: 2,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.90 : 4,932.42 = 1,556.50 : x
  2. Step 2: Convert to fraction form
    3,289.90/4,932.42 = 1,556.50/x
  3. Step 3: Cross multiply
    3,289.90x = 4,932.42 × 1,556.50
  4. Step 4: Simplify right side
    3,289.90x = 7,677,311.73
  5. Step 5: Solve for x
    x = 7,677,311.73/3,289.90
  6. Step 6: Final answer
    x = 2,333.60

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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.