Home / 2,732.08-4,103.52-1,638.60

Finding the Fourth Proportional to 2,732.08, 4,103.52 and 1,638.60

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Solution

The fourth proportional to 2,732.08, 4,103.52 and 1,638.60 is: 2,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.08 : 4,103.52 = 1,638.60 : x
  2. Step 2: Convert to fraction form
    2,732.08/4,103.52 = 1,638.60/x
  3. Step 3: Cross multiply
    2,732.08x = 4,103.52 × 1,638.60
  4. Step 4: Simplify right side
    2,732.08x = 6,724,027.87
  5. Step 5: Solve for x
    x = 6,724,027.87/2,732.08
  6. Step 6: Final answer
    x = 2,461.14

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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.