Home / 3,086.94-4,630.05-1,237.98

Finding the Fourth Proportional to 3,086.94, 4,630.05 and 1,237.98

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Solution

The fourth proportional to 3,086.94, 4,630.05 and 1,237.98 is: 1,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.94 : 4,630.05 = 1,237.98 : x
  2. Step 2: Convert to fraction form
    3,086.94/4,630.05 = 1,237.98/x
  3. Step 3: Cross multiply
    3,086.94x = 4,630.05 × 1,237.98
  4. Step 4: Simplify right side
    3,086.94x = 5,731,909.30
  5. Step 5: Solve for x
    x = 5,731,909.30/3,086.94
  6. Step 6: Final answer
    x = 1,856.83

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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.