Home / 1,614.70-2,418.40-1,578.25

Finding the Fourth Proportional to 1,614.70, 2,418.40 and 1,578.25

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Solution

The fourth proportional to 1,614.70, 2,418.40 and 1,578.25 is: 2,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.70 : 2,418.40 = 1,578.25 : x
  2. Step 2: Convert to fraction form
    1,614.70/2,418.40 = 1,578.25/x
  3. Step 3: Cross multiply
    1,614.70x = 2,418.40 × 1,578.25
  4. Step 4: Simplify right side
    1,614.70x = 3,816,819.82
  5. Step 5: Solve for x
    x = 3,816,819.82/1,614.70
  6. Step 6: Final answer
    x = 2,363.80

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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.