Home / 2,835.67-3,913.24-1,576.80

Finding the Fourth Proportional to 2,835.67, 3,913.24 and 1,576.80

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Solution

The fourth proportional to 2,835.67, 3,913.24 and 1,576.80 is: 2,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.67 : 3,913.24 = 1,576.80 : x
  2. Step 2: Convert to fraction form
    2,835.67/3,913.24 = 1,576.80/x
  3. Step 3: Cross multiply
    2,835.67x = 3,913.24 × 1,576.80
  4. Step 4: Simplify right side
    2,835.67x = 6,170,396.83
  5. Step 5: Solve for x
    x = 6,170,396.83/2,835.67
  6. Step 6: Final answer
    x = 2,175.99

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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.