Home / 2,576.30-3,861.39-1,649.85

Finding the Fourth Proportional to 2,576.30, 3,861.39 and 1,649.85

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Solution

The fourth proportional to 2,576.30, 3,861.39 and 1,649.85 is: 2,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.30 : 3,861.39 = 1,649.85 : x
  2. Step 2: Convert to fraction form
    2,576.30/3,861.39 = 1,649.85/x
  3. Step 3: Cross multiply
    2,576.30x = 3,861.39 × 1,649.85
  4. Step 4: Simplify right side
    2,576.30x = 6,370,714.29
  5. Step 5: Solve for x
    x = 6,370,714.29/2,576.30
  6. Step 6: Final answer
    x = 2,472.82

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1.5x scale

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.