Home / 2,748.81-4,124.70-1,824.81

Finding the Fourth Proportional to 2,748.81, 4,124.70 and 1,824.81

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Solution

The fourth proportional to 2,748.81, 4,124.70 and 1,824.81 is: 2,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.81 : 4,124.70 = 1,824.81 : x
  2. Step 2: Convert to fraction form
    2,748.81/4,124.70 = 1,824.81/x
  3. Step 3: Cross multiply
    2,748.81x = 4,124.70 × 1,824.81
  4. Step 4: Simplify right side
    2,748.81x = 7,526,793.81
  5. Step 5: Solve for x
    x = 7,526,793.81/2,748.81
  6. Step 6: Final answer
    x = 2,738.20

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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.