Home / 2,835.35-3,912.81-1,576.51

Finding the Fourth Proportional to 2,835.35, 3,912.81 and 1,576.51

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Solution

The fourth proportional to 2,835.35, 3,912.81 and 1,576.51 is: 2,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.35 : 3,912.81 = 1,576.51 : x
  2. Step 2: Convert to fraction form
    2,835.35/3,912.81 = 1,576.51/x
  3. Step 3: Cross multiply
    2,835.35x = 3,912.81 × 1,576.51
  4. Step 4: Simplify right side
    2,835.35x = 6,168,590.41
  5. Step 5: Solve for x
    x = 6,168,590.41/2,835.35
  6. Step 6: Final answer
    x = 2,175.60

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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.