Home / 2,311.12-3,468.30-1,827.28

Finding the Fourth Proportional to 2,311.12, 3,468.30 and 1,827.28

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Solution

The fourth proportional to 2,311.12, 3,468.30 and 1,827.28 is: 2,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.12 : 3,468.30 = 1,827.28 : x
  2. Step 2: Convert to fraction form
    2,311.12/3,468.30 = 1,827.28/x
  3. Step 3: Cross multiply
    2,311.12x = 3,468.30 × 1,827.28
  4. Step 4: Simplify right side
    2,311.12x = 6,337,555.22
  5. Step 5: Solve for x
    x = 6,337,555.22/2,311.12
  6. Step 6: Final answer
    x = 2,742.20

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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.