Home / 3,237.64-4,856.45-1,289.38

Finding the Fourth Proportional to 3,237.64, 4,856.45 and 1,289.38

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Solution

The fourth proportional to 3,237.64, 4,856.45 and 1,289.38 is: 1,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.64 : 4,856.45 = 1,289.38 : x
  2. Step 2: Convert to fraction form
    3,237.64/4,856.45 = 1,289.38/x
  3. Step 3: Cross multiply
    3,237.64x = 4,856.45 × 1,289.38
  4. Step 4: Simplify right side
    3,237.64x = 6,261,778.77
  5. Step 5: Solve for x
    x = 6,261,778.77/3,237.64
  6. Step 6: Final answer
    x = 1,934.06

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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.