Home / 3,184.61-4,779.34-1,235.75

Finding the Fourth Proportional to 3,184.61, 4,779.34 and 1,235.75

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Solution

The fourth proportional to 3,184.61, 4,779.34 and 1,235.75 is: 1,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.61 : 4,779.34 = 1,235.75 : x
  2. Step 2: Convert to fraction form
    3,184.61/4,779.34 = 1,235.75/x
  3. Step 3: Cross multiply
    3,184.61x = 4,779.34 × 1,235.75
  4. Step 4: Simplify right side
    3,184.61x = 5,906,042.42
  5. Step 5: Solve for x
    x = 5,906,042.42/3,184.61
  6. Step 6: Final answer
    x = 1,854.56

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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.