Home / 4,079.15-5,629.58-2,311.07

Finding the Fourth Proportional to 4,079.15, 5,629.58 and 2,311.07

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Solution

The fourth proportional to 4,079.15, 5,629.58 and 2,311.07 is: 3,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.15 : 5,629.58 = 2,311.07 : x
  2. Step 2: Convert to fraction form
    4,079.15/5,629.58 = 2,311.07/x
  3. Step 3: Cross multiply
    4,079.15x = 5,629.58 × 2,311.07
  4. Step 4: Simplify right side
    4,079.15x = 13,010,353.45
  5. Step 5: Solve for x
    x = 13,010,353.45/4,079.15
  6. Step 6: Final answer
    x = 3,189.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.