Home / 3,174.60-4,763.40-2,135.10

Finding the Fourth Proportional to 3,174.60, 4,763.40 and 2,135.10

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Solution

The fourth proportional to 3,174.60, 4,763.40 and 2,135.10 is: 3,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.60 : 4,763.40 = 2,135.10 : x
  2. Step 2: Convert to fraction form
    3,174.60/4,763.40 = 2,135.10/x
  3. Step 3: Cross multiply
    3,174.60x = 4,763.40 × 2,135.10
  4. Step 4: Simplify right side
    3,174.60x = 10,170,335.34
  5. Step 5: Solve for x
    x = 10,170,335.34/3,174.60
  6. Step 6: Final answer
    x = 3,203.66

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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.