Home / 2,669.13-4,003.68-1,208.70

Finding the Fourth Proportional to 2,669.13, 4,003.68 and 1,208.70

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Solution

The fourth proportional to 2,669.13, 4,003.68 and 1,208.70 is: 1,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.13 : 4,003.68 = 1,208.70 : x
  2. Step 2: Convert to fraction form
    2,669.13/4,003.68 = 1,208.70/x
  3. Step 3: Cross multiply
    2,669.13x = 4,003.68 × 1,208.70
  4. Step 4: Simplify right side
    2,669.13x = 4,839,248.02
  5. Step 5: Solve for x
    x = 4,839,248.02/2,669.13
  6. Step 6: Final answer
    x = 1,813.04

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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.