Home / 3,957.59-5,461.50-2,189.22

Finding the Fourth Proportional to 3,957.59, 5,461.50 and 2,189.22

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Solution

The fourth proportional to 3,957.59, 5,461.50 and 2,189.22 is: 3,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.59 : 5,461.50 = 2,189.22 : x
  2. Step 2: Convert to fraction form
    3,957.59/5,461.50 = 2,189.22/x
  3. Step 3: Cross multiply
    3,957.59x = 5,461.50 × 2,189.22
  4. Step 4: Simplify right side
    3,957.59x = 11,956,425.03
  5. Step 5: Solve for x
    x = 11,956,425.03/3,957.59
  6. Step 6: Final answer
    x = 3,021.14

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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.