Home / 3,935.76-5,434.38-2,611.32

Finding the Fourth Proportional to 3,935.76, 5,434.38 and 2,611.32

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Solution

The fourth proportional to 3,935.76, 5,434.38 and 2,611.32 is: 3,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.76 : 5,434.38 = 2,611.32 : x
  2. Step 2: Convert to fraction form
    3,935.76/5,434.38 = 2,611.32/x
  3. Step 3: Cross multiply
    3,935.76x = 5,434.38 × 2,611.32
  4. Step 4: Simplify right side
    3,935.76x = 14,190,905.18
  5. Step 5: Solve for x
    x = 14,190,905.18/3,935.76
  6. Step 6: Final answer
    x = 3,605.63

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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.