Home / 3,028.76-4,542.60-1,929.86

Finding the Fourth Proportional to 3,028.76, 4,542.60 and 1,929.86

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Solution

The fourth proportional to 3,028.76, 4,542.60 and 1,929.86 is: 2,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.76 : 4,542.60 = 1,929.86 : x
  2. Step 2: Convert to fraction form
    3,028.76/4,542.60 = 1,929.86/x
  3. Step 3: Cross multiply
    3,028.76x = 4,542.60 × 1,929.86
  4. Step 4: Simplify right side
    3,028.76x = 8,766,582.04
  5. Step 5: Solve for x
    x = 8,766,582.04/3,028.76
  6. Step 6: Final answer
    x = 2,894.45

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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.