Home / 3,822.40-5,733.60-2,516.80

Finding the Fourth Proportional to 3,822.40, 5,733.60 and 2,516.80

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Solution

The fourth proportional to 3,822.40, 5,733.60 and 2,516.80 is: 3,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.40 : 5,733.60 = 2,516.80 : x
  2. Step 2: Convert to fraction form
    3,822.40/5,733.60 = 2,516.80/x
  3. Step 3: Cross multiply
    3,822.40x = 5,733.60 × 2,516.80
  4. Step 4: Simplify right side
    3,822.40x = 14,430,324.48
  5. Step 5: Solve for x
    x = 14,430,324.48/3,822.40
  6. Step 6: Final answer
    x = 3,775.20

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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.