Home / 1,494.14-2,241.12-520.31

Finding the Fourth Proportional to 1,494.14, 2,241.12 and 520.31

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Solution

The fourth proportional to 1,494.14, 2,241.12 and 520.31 is: 780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.14 : 2,241.12 = 520.31 : x
  2. Step 2: Convert to fraction form
    1,494.14/2,241.12 = 520.31/x
  3. Step 3: Cross multiply
    1,494.14x = 2,241.12 × 520.31
  4. Step 4: Simplify right side
    1,494.14x = 1,166,065.94
  5. Step 5: Solve for x
    x = 1,166,065.94/1,494.14
  6. Step 6: Final answer
    x = 780.43

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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.