Home / 2,453.30-3,678.24-1,966.22

Finding the Fourth Proportional to 2,453.30, 3,678.24 and 1,966.22

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Solution

The fourth proportional to 2,453.30, 3,678.24 and 1,966.22 is: 2,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.30 : 3,678.24 = 1,966.22 : x
  2. Step 2: Convert to fraction form
    2,453.30/3,678.24 = 1,966.22/x
  3. Step 3: Cross multiply
    2,453.30x = 3,678.24 × 1,966.22
  4. Step 4: Simplify right side
    2,453.30x = 7,232,229.05
  5. Step 5: Solve for x
    x = 7,232,229.05/2,453.30
  6. Step 6: Final answer
    x = 2,947.96

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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.