Home / 3,935.85-5,905.56-1,715.37

Finding the Fourth Proportional to 3,935.85, 5,905.56 and 1,715.37

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Solution

The fourth proportional to 3,935.85, 5,905.56 and 1,715.37 is: 2,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.85 : 5,905.56 = 1,715.37 : x
  2. Step 2: Convert to fraction form
    3,935.85/5,905.56 = 1,715.37/x
  3. Step 3: Cross multiply
    3,935.85x = 5,905.56 × 1,715.37
  4. Step 4: Simplify right side
    3,935.85x = 10,130,220.46
  5. Step 5: Solve for x
    x = 10,130,220.46/3,935.85
  6. Step 6: Final answer
    x = 2,573.83

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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.