Home / 1,579.68-2,369.88-605.79

Finding the Fourth Proportional to 1,579.68, 2,369.88 and 605.79

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Solution

The fourth proportional to 1,579.68, 2,369.88 and 605.79 is: 908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.68 : 2,369.88 = 605.79 : x
  2. Step 2: Convert to fraction form
    1,579.68/2,369.88 = 605.79/x
  3. Step 3: Cross multiply
    1,579.68x = 2,369.88 × 605.79
  4. Step 4: Simplify right side
    1,579.68x = 1,435,649.61
  5. Step 5: Solve for x
    x = 1,435,649.61/1,579.68
  6. Step 6: Final answer
    x = 908.82

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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.