Home / 2,492.88-3,739.33-1,190.40

Finding the Fourth Proportional to 2,492.88, 3,739.33 and 1,190.40

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Solution

The fourth proportional to 2,492.88, 3,739.33 and 1,190.40 is: 1,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.88 : 3,739.33 = 1,190.40 : x
  2. Step 2: Convert to fraction form
    2,492.88/3,739.33 = 1,190.40/x
  3. Step 3: Cross multiply
    2,492.88x = 3,739.33 × 1,190.40
  4. Step 4: Simplify right side
    2,492.88x = 4,451,285.90
  5. Step 5: Solve for x
    x = 4,451,285.90/2,492.88
  6. Step 6: Final answer
    x = 1,785.60

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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.