Home / 3,040.60-4,562.82-1,945.72

Finding the Fourth Proportional to 3,040.60, 4,562.82 and 1,945.72

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Solution

The fourth proportional to 3,040.60, 4,562.82 and 1,945.72 is: 2,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.60 : 4,562.82 = 1,945.72 : x
  2. Step 2: Convert to fraction form
    3,040.60/4,562.82 = 1,945.72/x
  3. Step 3: Cross multiply
    3,040.60x = 4,562.82 × 1,945.72
  4. Step 4: Simplify right side
    3,040.60x = 8,877,970.13
  5. Step 5: Solve for x
    x = 8,877,970.13/3,040.60
  6. Step 6: Final answer
    x = 2,919.81

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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.