Home / 3,780.08-5,669.76-1,314.44

Finding the Fourth Proportional to 3,780.08, 5,669.76 and 1,314.44

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Solution

The fourth proportional to 3,780.08, 5,669.76 and 1,314.44 is: 1,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.08 : 5,669.76 = 1,314.44 : x
  2. Step 2: Convert to fraction form
    3,780.08/5,669.76 = 1,314.44/x
  3. Step 3: Cross multiply
    3,780.08x = 5,669.76 × 1,314.44
  4. Step 4: Simplify right side
    3,780.08x = 7,452,559.33
  5. Step 5: Solve for x
    x = 7,452,559.33/3,780.08
  6. Step 6: Final answer
    x = 1,971.53

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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.