Home / 2,103.38-3,155.16-1,237.04

Finding the Fourth Proportional to 2,103.38, 3,155.16 and 1,237.04

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Solution

The fourth proportional to 2,103.38, 3,155.16 and 1,237.04 is: 1,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.38 : 3,155.16 = 1,237.04 : x
  2. Step 2: Convert to fraction form
    2,103.38/3,155.16 = 1,237.04/x
  3. Step 3: Cross multiply
    2,103.38x = 3,155.16 × 1,237.04
  4. Step 4: Simplify right side
    2,103.38x = 3,903,059.13
  5. Step 5: Solve for x
    x = 3,903,059.13/2,103.38
  6. Step 6: Final answer
    x = 1,855.61

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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.