Home / 3,779.80-5,668.26-1,314.52

Finding the Fourth Proportional to 3,779.80, 5,668.26 and 1,314.52

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Solution

The fourth proportional to 3,779.80, 5,668.26 and 1,314.52 is: 1,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.80 : 5,668.26 = 1,314.52 : x
  2. Step 2: Convert to fraction form
    3,779.80/5,668.26 = 1,314.52/x
  3. Step 3: Cross multiply
    3,779.80x = 5,668.26 × 1,314.52
  4. Step 4: Simplify right side
    3,779.80x = 7,451,041.14
  5. Step 5: Solve for x
    x = 7,451,041.14/3,779.80
  6. Step 6: Final answer
    x = 1,971.28

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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.