Home / 3,110.28-4,665.84-1,029.60

Finding the Fourth Proportional to 3,110.28, 4,665.84 and 1,029.60

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Solution

The fourth proportional to 3,110.28, 4,665.84 and 1,029.60 is: 1,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.28 : 4,665.84 = 1,029.60 : x
  2. Step 2: Convert to fraction form
    3,110.28/4,665.84 = 1,029.60/x
  3. Step 3: Cross multiply
    3,110.28x = 4,665.84 × 1,029.60
  4. Step 4: Simplify right side
    3,110.28x = 4,803,948.86
  5. Step 5: Solve for x
    x = 4,803,948.86/3,110.28
  6. Step 6: Final answer
    x = 1,544.54

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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.