Home / 3,936.53-5,437.17-2,946.21

Finding the Fourth Proportional to 3,936.53, 5,437.17 and 2,946.21

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Solution

The fourth proportional to 3,936.53, 5,437.17 and 2,946.21 is: 4,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.53 : 5,437.17 = 2,946.21 : x
  2. Step 2: Convert to fraction form
    3,936.53/5,437.17 = 2,946.21/x
  3. Step 3: Cross multiply
    3,936.53x = 5,437.17 × 2,946.21
  4. Step 4: Simplify right side
    3,936.53x = 16,019,044.63
  5. Step 5: Solve for x
    x = 16,019,044.63/3,936.53
  6. Step 6: Final answer
    x = 4,069.34

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1.5x scale

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.