Home / 4,102.77-5,662.85-2,812.44

Finding the Fourth Proportional to 4,102.77, 5,662.85 and 2,812.44

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Solution

The fourth proportional to 4,102.77, 5,662.85 and 2,812.44 is: 3,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.77 : 5,662.85 = 2,812.44 : x
  2. Step 2: Convert to fraction form
    4,102.77/5,662.85 = 2,812.44/x
  3. Step 3: Cross multiply
    4,102.77x = 5,662.85 × 2,812.44
  4. Step 4: Simplify right side
    4,102.77x = 15,926,404.57
  5. Step 5: Solve for x
    x = 15,926,404.57/4,102.77
  6. Step 6: Final answer
    x = 3,881.87

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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.