Home / 2,977.53-4,455.73-2,195.70

Finding the Fourth Proportional to 2,977.53, 4,455.73 and 2,195.70

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Solution

The fourth proportional to 2,977.53, 4,455.73 and 2,195.70 is: 3,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.53 : 4,455.73 = 2,195.70 : x
  2. Step 2: Convert to fraction form
    2,977.53/4,455.73 = 2,195.70/x
  3. Step 3: Cross multiply
    2,977.53x = 4,455.73 × 2,195.70
  4. Step 4: Simplify right side
    2,977.53x = 9,783,446.36
  5. Step 5: Solve for x
    x = 9,783,446.36/2,977.53
  6. Step 6: Final answer
    x = 3,285.76

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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.