Home / 2,683.76-4,025.82-1,040.20

Finding the Fourth Proportional to 2,683.76, 4,025.82 and 1,040.20

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Solution

The fourth proportional to 2,683.76, 4,025.82 and 1,040.20 is: 1,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.76 : 4,025.82 = 1,040.20 : x
  2. Step 2: Convert to fraction form
    2,683.76/4,025.82 = 1,040.20/x
  3. Step 3: Cross multiply
    2,683.76x = 4,025.82 × 1,040.20
  4. Step 4: Simplify right side
    2,683.76x = 4,187,657.96
  5. Step 5: Solve for x
    x = 4,187,657.96/2,683.76
  6. Step 6: Final answer
    x = 1,560.37

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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.