Home / 2,671.08-4,006.58-1,209.22

Finding the Fourth Proportional to 2,671.08, 4,006.58 and 1,209.22

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Solution

The fourth proportional to 2,671.08, 4,006.58 and 1,209.22 is: 1,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.08 : 4,006.58 = 1,209.22 : x
  2. Step 2: Convert to fraction form
    2,671.08/4,006.58 = 1,209.22/x
  3. Step 3: Cross multiply
    2,671.08x = 4,006.58 × 1,209.22
  4. Step 4: Simplify right side
    2,671.08x = 4,844,836.67
  5. Step 5: Solve for x
    x = 4,844,836.67/2,671.08
  6. Step 6: Final answer
    x = 1,813.81

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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.