Home / 1,495.26-2,241.36-520.83

Finding the Fourth Proportional to 1,495.26, 2,241.36 and 520.83

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Solution

The fourth proportional to 1,495.26, 2,241.36 and 520.83 is: 780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.26 : 2,241.36 = 520.83 : x
  2. Step 2: Convert to fraction form
    1,495.26/2,241.36 = 520.83/x
  3. Step 3: Cross multiply
    1,495.26x = 2,241.36 × 520.83
  4. Step 4: Simplify right side
    1,495.26x = 1,167,367.53
  5. Step 5: Solve for x
    x = 1,167,367.53/1,495.26
  6. Step 6: Final answer
    x = 780.71

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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.