Home / 3,876.60-5,810.94-2,485.92

Finding the Fourth Proportional to 3,876.60, 5,810.94 and 2,485.92

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Solution

The fourth proportional to 3,876.60, 5,810.94 and 2,485.92 is: 3,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.60 : 5,810.94 = 2,485.92 : x
  2. Step 2: Convert to fraction form
    3,876.60/5,810.94 = 2,485.92/x
  3. Step 3: Cross multiply
    3,876.60x = 5,810.94 × 2,485.92
  4. Step 4: Simplify right side
    3,876.60x = 14,445,531.96
  5. Step 5: Solve for x
    x = 14,445,531.96/3,876.60
  6. Step 6: Final answer
    x = 3,726.34

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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.