Home / 2,748.34-4,115.21-1,447.07

Finding the Fourth Proportional to 2,748.34, 4,115.21 and 1,447.07

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Solution

The fourth proportional to 2,748.34, 4,115.21 and 1,447.07 is: 2,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.34 : 4,115.21 = 1,447.07 : x
  2. Step 2: Convert to fraction form
    2,748.34/4,115.21 = 1,447.07/x
  3. Step 3: Cross multiply
    2,748.34x = 4,115.21 × 1,447.07
  4. Step 4: Simplify right side
    2,748.34x = 5,955,010.84
  5. Step 5: Solve for x
    x = 5,955,010.84/2,748.34
  6. Step 6: Final answer
    x = 2,166.77

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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.