Home / 2,835.10-3,912.37-1,576.10

Finding the Fourth Proportional to 2,835.10, 3,912.37 and 1,576.10

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Solution

The fourth proportional to 2,835.10, 3,912.37 and 1,576.10 is: 2,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.10 : 3,912.37 = 1,576.10 : x
  2. Step 2: Convert to fraction form
    2,835.10/3,912.37 = 1,576.10/x
  3. Step 3: Cross multiply
    2,835.10x = 3,912.37 × 1,576.10
  4. Step 4: Simplify right side
    2,835.10x = 6,166,262.85
  5. Step 5: Solve for x
    x = 6,166,262.85/2,835.10
  6. Step 6: Final answer
    x = 2,174.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.