Home / 3,513.75-5,270.57-1,433.30

Finding the Fourth Proportional to 3,513.75, 5,270.57 and 1,433.30

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Solution

The fourth proportional to 3,513.75, 5,270.57 and 1,433.30 is: 2,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.75 : 5,270.57 = 1,433.30 : x
  2. Step 2: Convert to fraction form
    3,513.75/5,270.57 = 1,433.30/x
  3. Step 3: Cross multiply
    3,513.75x = 5,270.57 × 1,433.30
  4. Step 4: Simplify right side
    3,513.75x = 7,554,279.84
  5. Step 5: Solve for x
    x = 7,554,279.84/3,513.75
  6. Step 6: Final answer
    x = 2,149.92

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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.