Home / 3,239.33-4,861.14-1,779.50

Finding the Fourth Proportional to 3,239.33, 4,861.14 and 1,779.50

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Solution

The fourth proportional to 3,239.33, 4,861.14 and 1,779.50 is: 2,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.33 : 4,861.14 = 1,779.50 : x
  2. Step 2: Convert to fraction form
    3,239.33/4,861.14 = 1,779.50/x
  3. Step 3: Cross multiply
    3,239.33x = 4,861.14 × 1,779.50
  4. Step 4: Simplify right side
    3,239.33x = 8,650,398.63
  5. Step 5: Solve for x
    x = 8,650,398.63/3,239.33
  6. Step 6: Final answer
    x = 2,670.43

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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.