Home / 3,571.14-5,356.30-974.28

Finding the Fourth Proportional to 3,571.14, 5,356.30 and 974.28

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Solution

The fourth proportional to 3,571.14, 5,356.30 and 974.28 is: 1,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.14 : 5,356.30 = 974.28 : x
  2. Step 2: Convert to fraction form
    3,571.14/5,356.30 = 974.28/x
  3. Step 3: Cross multiply
    3,571.14x = 5,356.30 × 974.28
  4. Step 4: Simplify right side
    3,571.14x = 5,218,535.96
  5. Step 5: Solve for x
    x = 5,218,535.96/3,571.14
  6. Step 6: Final answer
    x = 1,461.31

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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.