Home / 3,779.60-5,668.68-1,830.92

Finding the Fourth Proportional to 3,779.60, 5,668.68 and 1,830.92

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Solution

The fourth proportional to 3,779.60, 5,668.68 and 1,830.92 is: 2,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.60 : 5,668.68 = 1,830.92 : x
  2. Step 2: Convert to fraction form
    3,779.60/5,668.68 = 1,830.92/x
  3. Step 3: Cross multiply
    3,779.60x = 5,668.68 × 1,830.92
  4. Step 4: Simplify right side
    3,779.60x = 10,378,899.59
  5. Step 5: Solve for x
    x = 10,378,899.59/3,779.60
  6. Step 6: Final answer
    x = 2,746.03

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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.