Home / 3,103.75-4,656.23-1,372.38

Finding the Fourth Proportional to 3,103.75, 4,656.23 and 1,372.38

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Solution

The fourth proportional to 3,103.75, 4,656.23 and 1,372.38 is: 2,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.75 : 4,656.23 = 1,372.38 : x
  2. Step 2: Convert to fraction form
    3,103.75/4,656.23 = 1,372.38/x
  3. Step 3: Cross multiply
    3,103.75x = 4,656.23 × 1,372.38
  4. Step 4: Simplify right side
    3,103.75x = 6,390,116.93
  5. Step 5: Solve for x
    x = 6,390,116.93/3,103.75
  6. Step 6: Final answer
    x = 2,058.84

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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.