Home / 3,946.36-5,916.30-1,997.56

Finding the Fourth Proportional to 3,946.36, 5,916.30 and 1,997.56

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Solution

The fourth proportional to 3,946.36, 5,916.30 and 1,997.56 is: 2,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.36 : 5,916.30 = 1,997.56 : x
  2. Step 2: Convert to fraction form
    3,946.36/5,916.30 = 1,997.56/x
  3. Step 3: Cross multiply
    3,946.36x = 5,916.30 × 1,997.56
  4. Step 4: Simplify right side
    3,946.36x = 11,818,164.23
  5. Step 5: Solve for x
    x = 11,818,164.23/3,946.36
  6. Step 6: Final answer
    x = 2,994.70

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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.