Home / 3,955.12-5,930.64-2,312.14

Finding the Fourth Proportional to 3,955.12, 5,930.64 and 2,312.14

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Solution

The fourth proportional to 3,955.12, 5,930.64 and 2,312.14 is: 3,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.12 : 5,930.64 = 2,312.14 : x
  2. Step 2: Convert to fraction form
    3,955.12/5,930.64 = 2,312.14/x
  3. Step 3: Cross multiply
    3,955.12x = 5,930.64 × 2,312.14
  4. Step 4: Simplify right side
    3,955.12x = 13,712,469.97
  5. Step 5: Solve for x
    x = 13,712,469.97/3,955.12
  6. Step 6: Final answer
    x = 3,467.02

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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.