Home / 3,135.16-4,323.53-1,876

Finding the Fourth Proportional to 3,135.16, 4,323.53 and 1,876

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Solution

The fourth proportional to 3,135.16, 4,323.53 and 1,876 is: 2,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.16 : 4,323.53 = 1,876 : x
  2. Step 2: Convert to fraction form
    3,135.16/4,323.53 = 1,876/x
  3. Step 3: Cross multiply
    3,135.16x = 4,323.53 × 1,876
  4. Step 4: Simplify right side
    3,135.16x = 8,110,942.28
  5. Step 5: Solve for x
    x = 8,110,942.28/3,135.16
  6. Step 6: Final answer
    x = 2,587.09

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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.