Home / 1,503.24-2,241.60-1,399.38

Finding the Fourth Proportional to 1,503.24, 2,241.60 and 1,399.38

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Solution

The fourth proportional to 1,503.24, 2,241.60 and 1,399.38 is: 2,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.24 : 2,241.60 = 1,399.38 : x
  2. Step 2: Convert to fraction form
    1,503.24/2,241.60 = 1,399.38/x
  3. Step 3: Cross multiply
    1,503.24x = 2,241.60 × 1,399.38
  4. Step 4: Simplify right side
    1,503.24x = 3,136,850.21
  5. Step 5: Solve for x
    x = 3,136,850.21/1,503.24
  6. Step 6: Final answer
    x = 2,086.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.