Home / 2,748.34-4,121.25-1,015.75

Finding the Fourth Proportional to 2,748.34, 4,121.25 and 1,015.75

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Solution

The fourth proportional to 2,748.34, 4,121.25 and 1,015.75 is: 1,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.34 : 4,121.25 = 1,015.75 : x
  2. Step 2: Convert to fraction form
    2,748.34/4,121.25 = 1,015.75/x
  3. Step 3: Cross multiply
    2,748.34x = 4,121.25 × 1,015.75
  4. Step 4: Simplify right side
    2,748.34x = 4,186,159.69
  5. Step 5: Solve for x
    x = 4,186,159.69/2,748.34
  6. Step 6: Final answer
    x = 1,523.16

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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.