Home / 4,079.52-5,629.62-2,311.28

Finding the Fourth Proportional to 4,079.52, 5,629.62 and 2,311.28

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Solution

The fourth proportional to 4,079.52, 5,629.62 and 2,311.28 is: 3,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.52 : 5,629.62 = 2,311.28 : x
  2. Step 2: Convert to fraction form
    4,079.52/5,629.62 = 2,311.28/x
  3. Step 3: Cross multiply
    4,079.52x = 5,629.62 × 2,311.28
  4. Step 4: Simplify right side
    4,079.52x = 13,011,628.11
  5. Step 5: Solve for x
    x = 13,011,628.11/4,079.52
  6. Step 6: Final answer
    x = 3,189.50

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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.