Home / 3,074.22-4,608.69-1,126.02

Finding the Fourth Proportional to 3,074.22, 4,608.69 and 1,126.02

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Solution

The fourth proportional to 3,074.22, 4,608.69 and 1,126.02 is: 1,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.22 : 4,608.69 = 1,126.02 : x
  2. Step 2: Convert to fraction form
    3,074.22/4,608.69 = 1,126.02/x
  3. Step 3: Cross multiply
    3,074.22x = 4,608.69 × 1,126.02
  4. Step 4: Simplify right side
    3,074.22x = 5,189,477.11
  5. Step 5: Solve for x
    x = 5,189,477.11/3,074.22
  6. Step 6: Final answer
    x = 1,688.06

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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.