Home / 2,732.47-4,091.85-1,688.18

Finding the Fourth Proportional to 2,732.47, 4,091.85 and 1,688.18

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Solution

The fourth proportional to 2,732.47, 4,091.85 and 1,688.18 is: 2,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.47 : 4,091.85 = 1,688.18 : x
  2. Step 2: Convert to fraction form
    2,732.47/4,091.85 = 1,688.18/x
  3. Step 3: Cross multiply
    2,732.47x = 4,091.85 × 1,688.18
  4. Step 4: Simplify right side
    2,732.47x = 6,907,758.87
  5. Step 5: Solve for x
    x = 6,907,758.87/2,732.47
  6. Step 6: Final answer
    x = 2,528.03

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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.