Home / 3,187.23-4,777.20-1,433.58

Finding the Fourth Proportional to 3,187.23, 4,777.20 and 1,433.58

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Solution

The fourth proportional to 3,187.23, 4,777.20 and 1,433.58 is: 2,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.23 : 4,777.20 = 1,433.58 : x
  2. Step 2: Convert to fraction form
    3,187.23/4,777.20 = 1,433.58/x
  3. Step 3: Cross multiply
    3,187.23x = 4,777.20 × 1,433.58
  4. Step 4: Simplify right side
    3,187.23x = 6,848,498.38
  5. Step 5: Solve for x
    x = 6,848,498.38/3,187.23
  6. Step 6: Final answer
    x = 2,148.73

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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.