Home / 2,718.41-3,751.53-2,127.92

Finding the Fourth Proportional to 2,718.41, 3,751.53 and 2,127.92

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Solution

The fourth proportional to 2,718.41, 3,751.53 and 2,127.92 is: 2,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.41 : 3,751.53 = 2,127.92 : x
  2. Step 2: Convert to fraction form
    2,718.41/3,751.53 = 2,127.92/x
  3. Step 3: Cross multiply
    2,718.41x = 3,751.53 × 2,127.92
  4. Step 4: Simplify right side
    2,718.41x = 7,982,936.96
  5. Step 5: Solve for x
    x = 7,982,936.96/2,718.41
  6. Step 6: Final answer
    x = 2,936.63

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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.