Home / 3,135.33-4,326.75-1,719

Finding the Fourth Proportional to 3,135.33, 4,326.75 and 1,719

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Solution

The fourth proportional to 3,135.33, 4,326.75 and 1,719 is: 2,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.33 : 4,326.75 = 1,719 : x
  2. Step 2: Convert to fraction form
    3,135.33/4,326.75 = 1,719/x
  3. Step 3: Cross multiply
    3,135.33x = 4,326.75 × 1,719
  4. Step 4: Simplify right side
    3,135.33x = 7,437,683.25
  5. Step 5: Solve for x
    x = 7,437,683.25/3,135.33
  6. Step 6: Final answer
    x = 2,372.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.