Home / 2,835.15-3,912.75-1,576.44

Finding the Fourth Proportional to 2,835.15, 3,912.75 and 1,576.44

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Solution

The fourth proportional to 2,835.15, 3,912.75 and 1,576.44 is: 2,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.15 : 3,912.75 = 1,576.44 : x
  2. Step 2: Convert to fraction form
    2,835.15/3,912.75 = 1,576.44/x
  3. Step 3: Cross multiply
    2,835.15x = 3,912.75 × 1,576.44
  4. Step 4: Simplify right side
    2,835.15x = 6,168,215.61
  5. Step 5: Solve for x
    x = 6,168,215.61/2,835.15
  6. Step 6: Final answer
    x = 2,175.62

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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.