Home / 3,890.67-5,832.69-1,697.76

Finding the Fourth Proportional to 3,890.67, 5,832.69 and 1,697.76

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Solution

The fourth proportional to 3,890.67, 5,832.69 and 1,697.76 is: 2,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.67 : 5,832.69 = 1,697.76 : x
  2. Step 2: Convert to fraction form
    3,890.67/5,832.69 = 1,697.76/x
  3. Step 3: Cross multiply
    3,890.67x = 5,832.69 × 1,697.76
  4. Step 4: Simplify right side
    3,890.67x = 9,902,507.77
  5. Step 5: Solve for x
    x = 9,902,507.77/3,890.67
  6. Step 6: Final answer
    x = 2,545.19

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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.