Home / 2,683.28-4,019.51-1,705.88

Finding the Fourth Proportional to 2,683.28, 4,019.51 and 1,705.88

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Solution

The fourth proportional to 2,683.28, 4,019.51 and 1,705.88 is: 2,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.28 : 4,019.51 = 1,705.88 : x
  2. Step 2: Convert to fraction form
    2,683.28/4,019.51 = 1,705.88/x
  3. Step 3: Cross multiply
    2,683.28x = 4,019.51 × 1,705.88
  4. Step 4: Simplify right side
    2,683.28x = 6,856,773.09
  5. Step 5: Solve for x
    x = 6,856,773.09/2,683.28
  6. Step 6: Final answer
    x = 2,555.37

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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.