Home / 3,916.46-5,877.40-2,270.82

Finding the Fourth Proportional to 3,916.46, 5,877.40 and 2,270.82

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Solution

The fourth proportional to 3,916.46, 5,877.40 and 2,270.82 is: 3,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.46 : 5,877.40 = 2,270.82 : x
  2. Step 2: Convert to fraction form
    3,916.46/5,877.40 = 2,270.82/x
  3. Step 3: Cross multiply
    3,916.46x = 5,877.40 × 2,270.82
  4. Step 4: Simplify right side
    3,916.46x = 13,346,517.47
  5. Step 5: Solve for x
    x = 13,346,517.47/3,916.46
  6. Step 6: Final answer
    x = 3,407.80

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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.