Home / 2,748.81-4,119.36-1,516.80

Finding the Fourth Proportional to 2,748.81, 4,119.36 and 1,516.80

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Solution

The fourth proportional to 2,748.81, 4,119.36 and 1,516.80 is: 2,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.81 : 4,119.36 = 1,516.80 : x
  2. Step 2: Convert to fraction form
    2,748.81/4,119.36 = 1,516.80/x
  3. Step 3: Cross multiply
    2,748.81x = 4,119.36 × 1,516.80
  4. Step 4: Simplify right side
    2,748.81x = 6,248,245.25
  5. Step 5: Solve for x
    x = 6,248,245.25/2,748.81
  6. Step 6: Final answer
    x = 2,273.07

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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.