Home / 3,141.16-4,322.01-2,881.96

Finding the Fourth Proportional to 3,141.16, 4,322.01 and 2,881.96

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Solution

The fourth proportional to 3,141.16, 4,322.01 and 2,881.96 is: 3,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.16 : 4,322.01 = 2,881.96 : x
  2. Step 2: Convert to fraction form
    3,141.16/4,322.01 = 2,881.96/x
  3. Step 3: Cross multiply
    3,141.16x = 4,322.01 × 2,881.96
  4. Step 4: Simplify right side
    3,141.16x = 12,455,859.94
  5. Step 5: Solve for x
    x = 12,455,859.94/3,141.16
  6. Step 6: Final answer
    x = 3,965.37

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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.