Home / 3,883.23-5,359.77-2,311.02

Finding the Fourth Proportional to 3,883.23, 5,359.77 and 2,311.02

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Solution

The fourth proportional to 3,883.23, 5,359.77 and 2,311.02 is: 3,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.23 : 5,359.77 = 2,311.02 : x
  2. Step 2: Convert to fraction form
    3,883.23/5,359.77 = 2,311.02/x
  3. Step 3: Cross multiply
    3,883.23x = 5,359.77 × 2,311.02
  4. Step 4: Simplify right side
    3,883.23x = 12,386,535.67
  5. Step 5: Solve for x
    x = 12,386,535.67/3,883.23
  6. Step 6: Final answer
    x = 3,189.75

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1.5x scale

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.