Home / 4,250.50-5,871.26-2,921.90

Finding the Fourth Proportional to 4,250.50, 5,871.26 and 2,921.90

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Solution

The fourth proportional to 4,250.50, 5,871.26 and 2,921.90 is: 4,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.50 : 5,871.26 = 2,921.90 : x
  2. Step 2: Convert to fraction form
    4,250.50/5,871.26 = 2,921.90/x
  3. Step 3: Cross multiply
    4,250.50x = 5,871.26 × 2,921.90
  4. Step 4: Simplify right side
    4,250.50x = 17,155,212.54
  5. Step 5: Solve for x
    x = 17,155,212.54/4,250.50
  6. Step 6: Final answer
    x = 4,036.05

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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.