Home / 2,114.68-3,167.91-1,382.04

Finding the Fourth Proportional to 2,114.68, 3,167.91 and 1,382.04

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Solution

The fourth proportional to 2,114.68, 3,167.91 and 1,382.04 is: 2,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.68 : 3,167.91 = 1,382.04 : x
  2. Step 2: Convert to fraction form
    2,114.68/3,167.91 = 1,382.04/x
  3. Step 3: Cross multiply
    2,114.68x = 3,167.91 × 1,382.04
  4. Step 4: Simplify right side
    2,114.68x = 4,378,178.34
  5. Step 5: Solve for x
    x = 4,378,178.34/2,114.68
  6. Step 6: Final answer
    x = 2,070.37

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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.