Home / 3,996.26-5,994.66-1,916.72

Finding the Fourth Proportional to 3,996.26, 5,994.66 and 1,916.72

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Solution

The fourth proportional to 3,996.26, 5,994.66 and 1,916.72 is: 2,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.26 : 5,994.66 = 1,916.72 : x
  2. Step 2: Convert to fraction form
    3,996.26/5,994.66 = 1,916.72/x
  3. Step 3: Cross multiply
    3,996.26x = 5,994.66 × 1,916.72
  4. Step 4: Simplify right side
    3,996.26x = 11,490,084.72
  5. Step 5: Solve for x
    x = 11,490,084.72/3,996.26
  6. Step 6: Final answer
    x = 2,875.21

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1.5x scale

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.