Home / 3,779.19-5,656.65-2,019.79

Finding the Fourth Proportional to 3,779.19, 5,656.65 and 2,019.79

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Solution

The fourth proportional to 3,779.19, 5,656.65 and 2,019.79 is: 3,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.19 : 5,656.65 = 2,019.79 : x
  2. Step 2: Convert to fraction form
    3,779.19/5,656.65 = 2,019.79/x
  3. Step 3: Cross multiply
    3,779.19x = 5,656.65 × 2,019.79
  4. Step 4: Simplify right side
    3,779.19x = 11,425,245.10
  5. Step 5: Solve for x
    x = 11,425,245.10/3,779.19
  6. Step 6: Final answer
    x = 3,023.20

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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.