Home / 3,086.70-4,630.53-1,237.86

Finding the Fourth Proportional to 3,086.70, 4,630.53 and 1,237.86

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Solution

The fourth proportional to 3,086.70, 4,630.53 and 1,237.86 is: 1,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.70 : 4,630.53 = 1,237.86 : x
  2. Step 2: Convert to fraction form
    3,086.70/4,630.53 = 1,237.86/x
  3. Step 3: Cross multiply
    3,086.70x = 4,630.53 × 1,237.86
  4. Step 4: Simplify right side
    3,086.70x = 5,731,947.87
  5. Step 5: Solve for x
    x = 5,731,947.87/3,086.70
  6. Step 6: Final answer
    x = 1,856.98

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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.