Home / 3,779.78-5,668.14-1,314.08

Finding the Fourth Proportional to 3,779.78, 5,668.14 and 1,314.08

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Solution

The fourth proportional to 3,779.78, 5,668.14 and 1,314.08 is: 1,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.78 : 5,668.14 = 1,314.08 : x
  2. Step 2: Convert to fraction form
    3,779.78/5,668.14 = 1,314.08/x
  3. Step 3: Cross multiply
    3,779.78x = 5,668.14 × 1,314.08
  4. Step 4: Simplify right side
    3,779.78x = 7,448,389.41
  5. Step 5: Solve for x
    x = 7,448,389.41/3,779.78
  6. Step 6: Final answer
    x = 1,970.59

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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.