Home / 1,683.36-2,519.64-1,374.48

Finding the Fourth Proportional to 1,683.36, 2,519.64 and 1,374.48

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Solution

The fourth proportional to 1,683.36, 2,519.64 and 1,374.48 is: 2,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.36 : 2,519.64 = 1,374.48 : x
  2. Step 2: Convert to fraction form
    1,683.36/2,519.64 = 1,374.48/x
  3. Step 3: Cross multiply
    1,683.36x = 2,519.64 × 1,374.48
  4. Step 4: Simplify right side
    1,683.36x = 3,463,194.79
  5. Step 5: Solve for x
    x = 3,463,194.79/1,683.36
  6. Step 6: Final answer
    x = 2,057.31

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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.