Home / 3,938.12-5,908.54-1,748.38

Finding the Fourth Proportional to 3,938.12, 5,908.54 and 1,748.38

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Solution

The fourth proportional to 3,938.12, 5,908.54 and 1,748.38 is: 2,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.12 : 5,908.54 = 1,748.38 : x
  2. Step 2: Convert to fraction form
    3,938.12/5,908.54 = 1,748.38/x
  3. Step 3: Cross multiply
    3,938.12x = 5,908.54 × 1,748.38
  4. Step 4: Simplify right side
    3,938.12x = 10,330,373.17
  5. Step 5: Solve for x
    x = 10,330,373.17/3,938.12
  6. Step 6: Final answer
    x = 2,623.17

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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.