Home / 3,779.30-5,669.96-2,690.58

Finding the Fourth Proportional to 3,779.30, 5,669.96 and 2,690.58

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Solution

The fourth proportional to 3,779.30, 5,669.96 and 2,690.58 is: 4,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.30 : 5,669.96 = 2,690.58 : x
  2. Step 2: Convert to fraction form
    3,779.30/5,669.96 = 2,690.58/x
  3. Step 3: Cross multiply
    3,779.30x = 5,669.96 × 2,690.58
  4. Step 4: Simplify right side
    3,779.30x = 15,255,467.52
  5. Step 5: Solve for x
    x = 15,255,467.52/3,779.30
  6. Step 6: Final answer
    x = 4,036.59

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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.