Home / 3,141.64-4,334.66-1,815.11

Finding the Fourth Proportional to 3,141.64, 4,334.66 and 1,815.11

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Solution

The fourth proportional to 3,141.64, 4,334.66 and 1,815.11 is: 2,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.64 : 4,334.66 = 1,815.11 : x
  2. Step 2: Convert to fraction form
    3,141.64/4,334.66 = 1,815.11/x
  3. Step 3: Cross multiply
    3,141.64x = 4,334.66 × 1,815.11
  4. Step 4: Simplify right side
    3,141.64x = 7,867,887.24
  5. Step 5: Solve for x
    x = 7,867,887.24/3,141.64
  6. Step 6: Final answer
    x = 2,504.39

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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.