Home / 3,779.09-5,668.62-1,005.76

Finding the Fourth Proportional to 3,779.09, 5,668.62 and 1,005.76

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Solution

The fourth proportional to 3,779.09, 5,668.62 and 1,005.76 is: 1,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.09 : 5,668.62 = 1,005.76 : x
  2. Step 2: Convert to fraction form
    3,779.09/5,668.62 = 1,005.76/x
  3. Step 3: Cross multiply
    3,779.09x = 5,668.62 × 1,005.76
  4. Step 4: Simplify right side
    3,779.09x = 5,701,257.08
  5. Step 5: Solve for x
    x = 5,701,257.08/3,779.09
  6. Step 6: Final answer
    x = 1,508.63

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1.5x scale

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.