Home / 2,206.10-3,043.17-1,320.37

Finding the Fourth Proportional to 2,206.10, 3,043.17 and 1,320.37

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Solution

The fourth proportional to 2,206.10, 3,043.17 and 1,320.37 is: 1,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.10 : 3,043.17 = 1,320.37 : x
  2. Step 2: Convert to fraction form
    2,206.10/3,043.17 = 1,320.37/x
  3. Step 3: Cross multiply
    2,206.10x = 3,043.17 × 1,320.37
  4. Step 4: Simplify right side
    2,206.10x = 4,018,102.76
  5. Step 5: Solve for x
    x = 4,018,102.76/2,206.10
  6. Step 6: Final answer
    x = 1,821.36

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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.