Home / 2,486.79-3,431.94-1,492.62

Finding the Fourth Proportional to 2,486.79, 3,431.94 and 1,492.62

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Solution

The fourth proportional to 2,486.79, 3,431.94 and 1,492.62 is: 2,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.79 : 3,431.94 = 1,492.62 : x
  2. Step 2: Convert to fraction form
    2,486.79/3,431.94 = 1,492.62/x
  3. Step 3: Cross multiply
    2,486.79x = 3,431.94 × 1,492.62
  4. Step 4: Simplify right side
    2,486.79x = 5,122,582.28
  5. Step 5: Solve for x
    x = 5,122,582.28/2,486.79
  6. Step 6: Final answer
    x = 2,059.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.