Home / 1,456.40-2,182.42-1,183.03

Finding the Fourth Proportional to 1,456.40, 2,182.42 and 1,183.03

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Solution

The fourth proportional to 1,456.40, 2,182.42 and 1,183.03 is: 1,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.40 : 2,182.42 = 1,183.03 : x
  2. Step 2: Convert to fraction form
    1,456.40/2,182.42 = 1,183.03/x
  3. Step 3: Cross multiply
    1,456.40x = 2,182.42 × 1,183.03
  4. Step 4: Simplify right side
    1,456.40x = 2,581,859.92
  5. Step 5: Solve for x
    x = 2,581,859.92/1,456.40
  6. Step 6: Final answer
    x = 1,772.77

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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.