Home / 2,311.43-3,190.83-1,473.28

Finding the Fourth Proportional to 2,311.43, 3,190.83 and 1,473.28

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Solution

The fourth proportional to 2,311.43, 3,190.83 and 1,473.28 is: 2,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.43 : 3,190.83 = 1,473.28 : x
  2. Step 2: Convert to fraction form
    2,311.43/3,190.83 = 1,473.28/x
  3. Step 3: Cross multiply
    2,311.43x = 3,190.83 × 1,473.28
  4. Step 4: Simplify right side
    2,311.43x = 4,700,986.02
  5. Step 5: Solve for x
    x = 4,700,986.02/2,311.43
  6. Step 6: Final answer
    x = 2,033.80

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Why These Related Problems?

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