Home / 3,788.75-5,683.05-1,323.56

Finding the Fourth Proportional to 3,788.75, 5,683.05 and 1,323.56

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Solution

The fourth proportional to 3,788.75, 5,683.05 and 1,323.56 is: 1,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.75 : 5,683.05 = 1,323.56 : x
  2. Step 2: Convert to fraction form
    3,788.75/5,683.05 = 1,323.56/x
  3. Step 3: Cross multiply
    3,788.75x = 5,683.05 × 1,323.56
  4. Step 4: Simplify right side
    3,788.75x = 7,521,829.24
  5. Step 5: Solve for x
    x = 7,521,829.24/3,788.75
  6. Step 6: Final answer
    x = 1,985.31

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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.