Home / 3,237.56-4,856.40-1,289.60

Finding the Fourth Proportional to 3,237.56, 4,856.40 and 1,289.60

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Solution

The fourth proportional to 3,237.56, 4,856.40 and 1,289.60 is: 1,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.56 : 4,856.40 = 1,289.60 : x
  2. Step 2: Convert to fraction form
    3,237.56/4,856.40 = 1,289.60/x
  3. Step 3: Cross multiply
    3,237.56x = 4,856.40 × 1,289.60
  4. Step 4: Simplify right side
    3,237.56x = 6,262,813.44
  5. Step 5: Solve for x
    x = 6,262,813.44/3,237.56
  6. Step 6: Final answer
    x = 1,934.42

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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.