Home / 2,103.21-3,154.86-1,006.37

Finding the Fourth Proportional to 2,103.21, 3,154.86 and 1,006.37

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Solution

The fourth proportional to 2,103.21, 3,154.86 and 1,006.37 is: 1,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.21 : 3,154.86 = 1,006.37 : x
  2. Step 2: Convert to fraction form
    2,103.21/3,154.86 = 1,006.37/x
  3. Step 3: Cross multiply
    2,103.21x = 3,154.86 × 1,006.37
  4. Step 4: Simplify right side
    2,103.21x = 3,174,945.06
  5. Step 5: Solve for x
    x = 3,174,945.06/2,103.21
  6. Step 6: Final answer
    x = 1,509.57

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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.