Home / 2,732.45-4,102.78-1,563.78

Finding the Fourth Proportional to 2,732.45, 4,102.78 and 1,563.78

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Solution

The fourth proportional to 2,732.45, 4,102.78 and 1,563.78 is: 2,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.45 : 4,102.78 = 1,563.78 : x
  2. Step 2: Convert to fraction form
    2,732.45/4,102.78 = 1,563.78/x
  3. Step 3: Cross multiply
    2,732.45x = 4,102.78 × 1,563.78
  4. Step 4: Simplify right side
    2,732.45x = 6,415,822.84
  5. Step 5: Solve for x
    x = 6,415,822.84/2,732.45
  6. Step 6: Final answer
    x = 2,348.01

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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.