Home / 2,114.04-3,166.68-1,247.88

Finding the Fourth Proportional to 2,114.04, 3,166.68 and 1,247.88

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Solution

The fourth proportional to 2,114.04, 3,166.68 and 1,247.88 is: 1,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.04 : 3,166.68 = 1,247.88 : x
  2. Step 2: Convert to fraction form
    2,114.04/3,166.68 = 1,247.88/x
  3. Step 3: Cross multiply
    2,114.04x = 3,166.68 × 1,247.88
  4. Step 4: Simplify right side
    2,114.04x = 3,951,636.64
  5. Step 5: Solve for x
    x = 3,951,636.64/2,114.04
  6. Step 6: Final answer
    x = 1,869.23

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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.