Home / 2,733.10-3,767.86-2,311.76

Finding the Fourth Proportional to 2,733.10, 3,767.86 and 2,311.76

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Solution

The fourth proportional to 2,733.10, 3,767.86 and 2,311.76 is: 3,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.10 : 3,767.86 = 2,311.76 : x
  2. Step 2: Convert to fraction form
    2,733.10/3,767.86 = 2,311.76/x
  3. Step 3: Cross multiply
    2,733.10x = 3,767.86 × 2,311.76
  4. Step 4: Simplify right side
    2,733.10x = 8,710,388.03
  5. Step 5: Solve for x
    x = 8,710,388.03/2,733.10
  6. Step 6: Final answer
    x = 3,187.00

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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.