Home / 2,492.86-3,739.68-1,946.08

Finding the Fourth Proportional to 2,492.86, 3,739.68 and 1,946.08

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Solution

The fourth proportional to 2,492.86, 3,739.68 and 1,946.08 is: 2,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.86 : 3,739.68 = 1,946.08 : x
  2. Step 2: Convert to fraction form
    2,492.86/3,739.68 = 1,946.08/x
  3. Step 3: Cross multiply
    2,492.86x = 3,739.68 × 1,946.08
  4. Step 4: Simplify right side
    2,492.86x = 7,277,716.45
  5. Step 5: Solve for x
    x = 7,277,716.45/2,492.86
  6. Step 6: Final answer
    x = 2,919.42

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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.