Home / 2,731.72-4,101.67-1,563.04

Finding the Fourth Proportional to 2,731.72, 4,101.67 and 1,563.04

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Solution

The fourth proportional to 2,731.72, 4,101.67 and 1,563.04 is: 2,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.72 : 4,101.67 = 1,563.04 : x
  2. Step 2: Convert to fraction form
    2,731.72/4,101.67 = 1,563.04/x
  3. Step 3: Cross multiply
    2,731.72x = 4,101.67 × 1,563.04
  4. Step 4: Simplify right side
    2,731.72x = 6,411,074.28
  5. Step 5: Solve for x
    x = 6,411,074.28/2,731.72
  6. Step 6: Final answer
    x = 2,346.90

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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.