Home / 3,023.20-4,535.40-1,076.78

Finding the Fourth Proportional to 3,023.20, 4,535.40 and 1,076.78

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Solution

The fourth proportional to 3,023.20, 4,535.40 and 1,076.78 is: 1,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.20 : 4,535.40 = 1,076.78 : x
  2. Step 2: Convert to fraction form
    3,023.20/4,535.40 = 1,076.78/x
  3. Step 3: Cross multiply
    3,023.20x = 4,535.40 × 1,076.78
  4. Step 4: Simplify right side
    3,023.20x = 4,883,628.01
  5. Step 5: Solve for x
    x = 4,883,628.01/3,023.20
  6. Step 6: Final answer
    x = 1,615.38

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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.