Home / 2,247.76-3,102.09-1,364.05

Finding the Fourth Proportional to 2,247.76, 3,102.09 and 1,364.05

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Solution

The fourth proportional to 2,247.76, 3,102.09 and 1,364.05 is: 1,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.76 : 3,102.09 = 1,364.05 : x
  2. Step 2: Convert to fraction form
    2,247.76/3,102.09 = 1,364.05/x
  3. Step 3: Cross multiply
    2,247.76x = 3,102.09 × 1,364.05
  4. Step 4: Simplify right side
    2,247.76x = 4,231,390.35
  5. Step 5: Solve for x
    x = 4,231,390.35/2,247.76
  6. Step 6: Final answer
    x = 1,882.50

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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.