Home / 2,389.26-3,579.68-1,659.30

Finding the Fourth Proportional to 2,389.26, 3,579.68 and 1,659.30

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Solution

The fourth proportional to 2,389.26, 3,579.68 and 1,659.30 is: 2,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.26 : 3,579.68 = 1,659.30 : x
  2. Step 2: Convert to fraction form
    2,389.26/3,579.68 = 1,659.30/x
  3. Step 3: Cross multiply
    2,389.26x = 3,579.68 × 1,659.30
  4. Step 4: Simplify right side
    2,389.26x = 5,939,763.02
  5. Step 5: Solve for x
    x = 5,939,763.02/2,389.26
  6. Step 6: Final answer
    x = 2,486.03

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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.