Home / 3,184.31-4,779.11-1,625.47

Finding the Fourth Proportional to 3,184.31, 4,779.11 and 1,625.47

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Solution

The fourth proportional to 3,184.31, 4,779.11 and 1,625.47 is: 2,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.31 : 4,779.11 = 1,625.47 : x
  2. Step 2: Convert to fraction form
    3,184.31/4,779.11 = 1,625.47/x
  3. Step 3: Cross multiply
    3,184.31x = 4,779.11 × 1,625.47
  4. Step 4: Simplify right side
    3,184.31x = 7,768,299.93
  5. Step 5: Solve for x
    x = 7,768,299.93/3,184.31
  6. Step 6: Final answer
    x = 2,439.56

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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.