Home / 3,936.06-5,429.70-2,607.93

Finding the Fourth Proportional to 3,936.06, 5,429.70 and 2,607.93

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Solution

The fourth proportional to 3,936.06, 5,429.70 and 2,607.93 is: 3,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.06 : 5,429.70 = 2,607.93 : x
  2. Step 2: Convert to fraction form
    3,936.06/5,429.70 = 2,607.93/x
  3. Step 3: Cross multiply
    3,936.06x = 5,429.70 × 2,607.93
  4. Step 4: Simplify right side
    3,936.06x = 14,160,277.52
  5. Step 5: Solve for x
    x = 14,160,277.52/3,936.06
  6. Step 6: Final answer
    x = 3,597.58

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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.