Home / 3,919.58-5,881.63-1,579.79

Finding the Fourth Proportional to 3,919.58, 5,881.63 and 1,579.79

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Solution

The fourth proportional to 3,919.58, 5,881.63 and 1,579.79 is: 2,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.58 : 5,881.63 = 1,579.79 : x
  2. Step 2: Convert to fraction form
    3,919.58/5,881.63 = 1,579.79/x
  3. Step 3: Cross multiply
    3,919.58x = 5,881.63 × 1,579.79
  4. Step 4: Simplify right side
    3,919.58x = 9,291,740.26
  5. Step 5: Solve for x
    x = 9,291,740.26/3,919.58
  6. Step 6: Final answer
    x = 2,370.60

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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.