Home / 1,579.23-2,369.10-1,286.03

Finding the Fourth Proportional to 1,579.23, 2,369.10 and 1,286.03

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Solution

The fourth proportional to 1,579.23, 2,369.10 and 1,286.03 is: 1,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.23 : 2,369.10 = 1,286.03 : x
  2. Step 2: Convert to fraction form
    1,579.23/2,369.10 = 1,286.03/x
  3. Step 3: Cross multiply
    1,579.23x = 2,369.10 × 1,286.03
  4. Step 4: Simplify right side
    1,579.23x = 3,046,733.67
  5. Step 5: Solve for x
    x = 3,046,733.67/1,579.23
  6. Step 6: Final answer
    x = 1,929.25

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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.