Home / 3,570.28-5,356.33-2,947.89

Finding the Fourth Proportional to 3,570.28, 5,356.33 and 2,947.89

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Solution

The fourth proportional to 3,570.28, 5,356.33 and 2,947.89 is: 4,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.28 : 5,356.33 = 2,947.89 : x
  2. Step 2: Convert to fraction form
    3,570.28/5,356.33 = 2,947.89/x
  3. Step 3: Cross multiply
    3,570.28x = 5,356.33 × 2,947.89
  4. Step 4: Simplify right side
    3,570.28x = 15,789,884.36
  5. Step 5: Solve for x
    x = 15,789,884.36/3,570.28
  6. Step 6: Final answer
    x = 4,422.59

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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.