Home / 3,876.46-5,812.64-2,644.22

Finding the Fourth Proportional to 3,876.46, 5,812.64 and 2,644.22

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Solution

The fourth proportional to 3,876.46, 5,812.64 and 2,644.22 is: 3,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.46 : 5,812.64 = 2,644.22 : x
  2. Step 2: Convert to fraction form
    3,876.46/5,812.64 = 2,644.22/x
  3. Step 3: Cross multiply
    3,876.46x = 5,812.64 × 2,644.22
  4. Step 4: Simplify right side
    3,876.46x = 15,369,886.38
  5. Step 5: Solve for x
    x = 15,369,886.38/3,876.46
  6. Step 6: Final answer
    x = 3,964.93

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1.5x scale

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.