Home / 2,958.34-4,428.28-2,179.22

Finding the Fourth Proportional to 2,958.34, 4,428.28 and 2,179.22

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Solution

The fourth proportional to 2,958.34, 4,428.28 and 2,179.22 is: 3,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.34 : 4,428.28 = 2,179.22 : x
  2. Step 2: Convert to fraction form
    2,958.34/4,428.28 = 2,179.22/x
  3. Step 3: Cross multiply
    2,958.34x = 4,428.28 × 2,179.22
  4. Step 4: Simplify right side
    2,958.34x = 9,650,185.45
  5. Step 5: Solve for x
    x = 9,650,185.45/2,958.34
  6. Step 6: Final answer
    x = 3,262.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.