Home / 3,957.37-5,461.20-2,189.03

Finding the Fourth Proportional to 3,957.37, 5,461.20 and 2,189.03

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Solution

The fourth proportional to 3,957.37, 5,461.20 and 2,189.03 is: 3,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.37 : 5,461.20 = 2,189.03 : x
  2. Step 2: Convert to fraction form
    3,957.37/5,461.20 = 2,189.03/x
  3. Step 3: Cross multiply
    3,957.37x = 5,461.20 × 2,189.03
  4. Step 4: Simplify right side
    3,957.37x = 11,954,730.64
  5. Step 5: Solve for x
    x = 11,954,730.64/3,957.37
  6. Step 6: Final answer
    x = 3,020.88

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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.