Home / 3,919.89-5,878.53-1,579.29

Finding the Fourth Proportional to 3,919.89, 5,878.53 and 1,579.29

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Solution

The fourth proportional to 3,919.89, 5,878.53 and 1,579.29 is: 2,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.89 : 5,878.53 = 1,579.29 : x
  2. Step 2: Convert to fraction form
    3,919.89/5,878.53 = 1,579.29/x
  3. Step 3: Cross multiply
    3,919.89x = 5,878.53 × 1,579.29
  4. Step 4: Simplify right side
    3,919.89x = 9,283,903.64
  5. Step 5: Solve for x
    x = 9,283,903.64/3,919.89
  6. Step 6: Final answer
    x = 2,368.41

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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.