Home / 2,146.24-2,960-1,359.04

Finding the Fourth Proportional to 2,146.24, 2,960 and 1,359.04

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Solution

The fourth proportional to 2,146.24, 2,960 and 1,359.04 is: 1,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.24 : 2,960 = 1,359.04 : x
  2. Step 2: Convert to fraction form
    2,146.24/2,960 = 1,359.04/x
  3. Step 3: Cross multiply
    2,146.24x = 2,960 × 1,359.04
  4. Step 4: Simplify right side
    2,146.24x = 4,022,758.40
  5. Step 5: Solve for x
    x = 4,022,758.40/2,146.24
  6. Step 6: Final answer
    x = 1,874.33

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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.