Home / 2,751.03-4,126.55-1,189.76

Finding the Fourth Proportional to 2,751.03, 4,126.55 and 1,189.76

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Solution

The fourth proportional to 2,751.03, 4,126.55 and 1,189.76 is: 1,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.03 : 4,126.55 = 1,189.76 : x
  2. Step 2: Convert to fraction form
    2,751.03/4,126.55 = 1,189.76/x
  3. Step 3: Cross multiply
    2,751.03x = 4,126.55 × 1,189.76
  4. Step 4: Simplify right side
    2,751.03x = 4,909,577.55
  5. Step 5: Solve for x
    x = 4,909,577.55/2,751.03
  6. Step 6: Final answer
    x = 1,784.63

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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.