Home / 3,039.72-4,576.11-2,180.04

Finding the Fourth Proportional to 3,039.72, 4,576.11 and 2,180.04

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Solution

The fourth proportional to 3,039.72, 4,576.11 and 2,180.04 is: 3,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.72 : 4,576.11 = 2,180.04 : x
  2. Step 2: Convert to fraction form
    3,039.72/4,576.11 = 2,180.04/x
  3. Step 3: Cross multiply
    3,039.72x = 4,576.11 × 2,180.04
  4. Step 4: Simplify right side
    3,039.72x = 9,976,102.84
  5. Step 5: Solve for x
    x = 9,976,102.84/3,039.72
  6. Step 6: Final answer
    x = 3,281.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.