Home / 2,178.98-3,268.68-946.04

Finding the Fourth Proportional to 2,178.98, 3,268.68 and 946.04

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Solution

The fourth proportional to 2,178.98, 3,268.68 and 946.04 is: 1,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.98 : 3,268.68 = 946.04 : x
  2. Step 2: Convert to fraction form
    2,178.98/3,268.68 = 946.04/x
  3. Step 3: Cross multiply
    2,178.98x = 3,268.68 × 946.04
  4. Step 4: Simplify right side
    2,178.98x = 3,092,302.03
  5. Step 5: Solve for x
    x = 3,092,302.03/2,178.98
  6. Step 6: Final answer
    x = 1,419.15

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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.