Home / 3,174.89-4,763.34-1,531.58

Finding the Fourth Proportional to 3,174.89, 4,763.34 and 1,531.58

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Solution

The fourth proportional to 3,174.89, 4,763.34 and 1,531.58 is: 2,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.89 : 4,763.34 = 1,531.58 : x
  2. Step 2: Convert to fraction form
    3,174.89/4,763.34 = 1,531.58/x
  3. Step 3: Cross multiply
    3,174.89x = 4,763.34 × 1,531.58
  4. Step 4: Simplify right side
    3,174.89x = 7,295,412.46
  5. Step 5: Solve for x
    x = 7,295,412.46/3,174.89
  6. Step 6: Final answer
    x = 2,297.85

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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.