Home / 2,509.91-3,764.90-1,193.79

Finding the Fourth Proportional to 2,509.91, 3,764.90 and 1,193.79

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Solution

The fourth proportional to 2,509.91, 3,764.90 and 1,193.79 is: 1,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.91 : 3,764.90 = 1,193.79 : x
  2. Step 2: Convert to fraction form
    2,509.91/3,764.90 = 1,193.79/x
  3. Step 3: Cross multiply
    2,509.91x = 3,764.90 × 1,193.79
  4. Step 4: Simplify right side
    2,509.91x = 4,494,494.00
  5. Step 5: Solve for x
    x = 4,494,494.00/2,509.91
  6. Step 6: Final answer
    x = 1,790.70

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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.