Home / 3,717.05-5,575.79-1,638.03

Finding the Fourth Proportional to 3,717.05, 5,575.79 and 1,638.03

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Solution

The fourth proportional to 3,717.05, 5,575.79 and 1,638.03 is: 2,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.05 : 5,575.79 = 1,638.03 : x
  2. Step 2: Convert to fraction form
    3,717.05/5,575.79 = 1,638.03/x
  3. Step 3: Cross multiply
    3,717.05x = 5,575.79 × 1,638.03
  4. Step 4: Simplify right side
    3,717.05x = 9,133,315.39
  5. Step 5: Solve for x
    x = 9,133,315.39/3,717.05
  6. Step 6: Final answer
    x = 2,457.14

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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.