Home / 2,114.30-3,165.68-1,529.89

Finding the Fourth Proportional to 2,114.30, 3,165.68 and 1,529.89

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Solution

The fourth proportional to 2,114.30, 3,165.68 and 1,529.89 is: 2,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.30 : 3,165.68 = 1,529.89 : x
  2. Step 2: Convert to fraction form
    2,114.30/3,165.68 = 1,529.89/x
  3. Step 3: Cross multiply
    2,114.30x = 3,165.68 × 1,529.89
  4. Step 4: Simplify right side
    2,114.30x = 4,843,138.09
  5. Step 5: Solve for x
    x = 4,843,138.09/2,114.30
  6. Step 6: Final answer
    x = 2,290.66

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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.