Home / 2,687.43-3,708.64-1,492.41

Finding the Fourth Proportional to 2,687.43, 3,708.64 and 1,492.41

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Solution

The fourth proportional to 2,687.43, 3,708.64 and 1,492.41 is: 2,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.43 : 3,708.64 = 1,492.41 : x
  2. Step 2: Convert to fraction form
    2,687.43/3,708.64 = 1,492.41/x
  3. Step 3: Cross multiply
    2,687.43x = 3,708.64 × 1,492.41
  4. Step 4: Simplify right side
    2,687.43x = 5,534,811.42
  5. Step 5: Solve for x
    x = 5,534,811.42/2,687.43
  6. Step 6: Final answer
    x = 2,059.52

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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.