Home / 2,440.93-3,659.92-1,189.05

Finding the Fourth Proportional to 2,440.93, 3,659.92 and 1,189.05

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Solution

The fourth proportional to 2,440.93, 3,659.92 and 1,189.05 is: 1,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.93 : 3,659.92 = 1,189.05 : x
  2. Step 2: Convert to fraction form
    2,440.93/3,659.92 = 1,189.05/x
  3. Step 3: Cross multiply
    2,440.93x = 3,659.92 × 1,189.05
  4. Step 4: Simplify right side
    2,440.93x = 4,351,827.88
  5. Step 5: Solve for x
    x = 4,351,827.88/2,440.93
  6. Step 6: Final answer
    x = 1,782.86

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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.