Home / 2,099.11-3,147.28-1,174.77

Finding the Fourth Proportional to 2,099.11, 3,147.28 and 1,174.77

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Solution

The fourth proportional to 2,099.11, 3,147.28 and 1,174.77 is: 1,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.11 : 3,147.28 = 1,174.77 : x
  2. Step 2: Convert to fraction form
    2,099.11/3,147.28 = 1,174.77/x
  3. Step 3: Cross multiply
    2,099.11x = 3,147.28 × 1,174.77
  4. Step 4: Simplify right side
    2,099.11x = 3,697,330.13
  5. Step 5: Solve for x
    x = 3,697,330.13/2,099.11
  6. Step 6: Final answer
    x = 1,761.38

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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.