Home / 2,201.43-3,037.99-1,206.72

Finding the Fourth Proportional to 2,201.43, 3,037.99 and 1,206.72

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Solution

The fourth proportional to 2,201.43, 3,037.99 and 1,206.72 is: 1,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.43 : 3,037.99 = 1,206.72 : x
  2. Step 2: Convert to fraction form
    2,201.43/3,037.99 = 1,206.72/x
  3. Step 3: Cross multiply
    2,201.43x = 3,037.99 × 1,206.72
  4. Step 4: Simplify right side
    2,201.43x = 3,666,000.28
  5. Step 5: Solve for x
    x = 3,666,000.28/2,201.43
  6. Step 6: Final answer
    x = 1,665.28

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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.