Home / 1,719.82-2,579.53-609.11

Finding the Fourth Proportional to 1,719.82, 2,579.53 and 609.11

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Solution

The fourth proportional to 1,719.82, 2,579.53 and 609.11 is: 913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.82 : 2,579.53 = 609.11 : x
  2. Step 2: Convert to fraction form
    1,719.82/2,579.53 = 609.11/x
  3. Step 3: Cross multiply
    1,719.82x = 2,579.53 × 609.11
  4. Step 4: Simplify right side
    1,719.82x = 1,571,217.52
  5. Step 5: Solve for x
    x = 1,571,217.52/1,719.82
  6. Step 6: Final answer
    x = 913.59

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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.