Home / 3,712.44-5,127.66-2,936.76

Finding the Fourth Proportional to 3,712.44, 5,127.66 and 2,936.76

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Solution

The fourth proportional to 3,712.44, 5,127.66 and 2,936.76 is: 4,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.44 : 5,127.66 = 2,936.76 : x
  2. Step 2: Convert to fraction form
    3,712.44/5,127.66 = 2,936.76/x
  3. Step 3: Cross multiply
    3,712.44x = 5,127.66 × 2,936.76
  4. Step 4: Simplify right side
    3,712.44x = 15,058,706.78
  5. Step 5: Solve for x
    x = 15,058,706.78/3,712.44
  6. Step 6: Final answer
    x = 4,056.28

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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.