Home / 2,997.12-4,495.68-1,265.76

Finding the Fourth Proportional to 2,997.12, 4,495.68 and 1,265.76

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Solution

The fourth proportional to 2,997.12, 4,495.68 and 1,265.76 is: 1,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.12 : 4,495.68 = 1,265.76 : x
  2. Step 2: Convert to fraction form
    2,997.12/4,495.68 = 1,265.76/x
  3. Step 3: Cross multiply
    2,997.12x = 4,495.68 × 1,265.76
  4. Step 4: Simplify right side
    2,997.12x = 5,690,451.92
  5. Step 5: Solve for x
    x = 5,690,451.92/2,997.12
  6. Step 6: Final answer
    x = 1,898.64

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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.