Home / 2,202.91-3,038.33-1,406.47

Finding the Fourth Proportional to 2,202.91, 3,038.33 and 1,406.47

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Solution

The fourth proportional to 2,202.91, 3,038.33 and 1,406.47 is: 1,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.91 : 3,038.33 = 1,406.47 : x
  2. Step 2: Convert to fraction form
    2,202.91/3,038.33 = 1,406.47/x
  3. Step 3: Cross multiply
    2,202.91x = 3,038.33 × 1,406.47
  4. Step 4: Simplify right side
    2,202.91x = 4,273,320.00
  5. Step 5: Solve for x
    x = 4,273,320.00/2,202.91
  6. Step 6: Final answer
    x = 1,939.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.