Home / 4,212.72-5,817.96-2,641.68

Finding the Fourth Proportional to 4,212.72, 5,817.96 and 2,641.68

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Solution

The fourth proportional to 4,212.72, 5,817.96 and 2,641.68 is: 3,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.72 : 5,817.96 = 2,641.68 : x
  2. Step 2: Convert to fraction form
    4,212.72/5,817.96 = 2,641.68/x
  3. Step 3: Cross multiply
    4,212.72x = 5,817.96 × 2,641.68
  4. Step 4: Simplify right side
    4,212.72x = 15,369,188.57
  5. Step 5: Solve for x
    x = 15,369,188.57/4,212.72
  6. Step 6: Final answer
    x = 3,648.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.