Home / 4,288.37-6,431.02-1,946.41

Finding the Fourth Proportional to 4,288.37, 6,431.02 and 1,946.41

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Solution

The fourth proportional to 4,288.37, 6,431.02 and 1,946.41 is: 2,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.37 : 6,431.02 = 1,946.41 : x
  2. Step 2: Convert to fraction form
    4,288.37/6,431.02 = 1,946.41/x
  3. Step 3: Cross multiply
    4,288.37x = 6,431.02 × 1,946.41
  4. Step 4: Simplify right side
    4,288.37x = 12,517,380.69
  5. Step 5: Solve for x
    x = 12,517,380.69/4,288.37
  6. Step 6: Final answer
    x = 2,918.92

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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.