Home / 3,246.40-4,869.60-3,197.80

Finding the Fourth Proportional to 3,246.40, 4,869.60 and 3,197.80

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Solution

The fourth proportional to 3,246.40, 4,869.60 and 3,197.80 is: 4,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.40 : 4,869.60 = 3,197.80 : x
  2. Step 2: Convert to fraction form
    3,246.40/4,869.60 = 3,197.80/x
  3. Step 3: Cross multiply
    3,246.40x = 4,869.60 × 3,197.80
  4. Step 4: Simplify right side
    3,246.40x = 15,572,006.88
  5. Step 5: Solve for x
    x = 15,572,006.88/3,246.40
  6. Step 6: Final answer
    x = 4,796.70

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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.