Home / 3,946.71-5,912-2,461.06

Finding the Fourth Proportional to 3,946.71, 5,912 and 2,461.06

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Solution

The fourth proportional to 3,946.71, 5,912 and 2,461.06 is: 3,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.71 : 5,912 = 2,461.06 : x
  2. Step 2: Convert to fraction form
    3,946.71/5,912 = 2,461.06/x
  3. Step 3: Cross multiply
    3,946.71x = 5,912 × 2,461.06
  4. Step 4: Simplify right side
    3,946.71x = 14,549,786.72
  5. Step 5: Solve for x
    x = 14,549,786.72/3,946.71
  6. Step 6: Final answer
    x = 3,686.56

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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.