Home / 3,727.56-5,143.32-2,548.20

Finding the Fourth Proportional to 3,727.56, 5,143.32 and 2,548.20

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Solution

The fourth proportional to 3,727.56, 5,143.32 and 2,548.20 is: 3,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.56 : 5,143.32 = 2,548.20 : x
  2. Step 2: Convert to fraction form
    3,727.56/5,143.32 = 2,548.20/x
  3. Step 3: Cross multiply
    3,727.56x = 5,143.32 × 2,548.20
  4. Step 4: Simplify right side
    3,727.56x = 13,106,208.02
  5. Step 5: Solve for x
    x = 13,106,208.02/3,727.56
  6. Step 6: Final answer
    x = 3,516.03

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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.