Home / 2,540.34-3,505.60-1,492.40

Finding the Fourth Proportional to 2,540.34, 3,505.60 and 1,492.40

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Solution

The fourth proportional to 2,540.34, 3,505.60 and 1,492.40 is: 2,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.34 : 3,505.60 = 1,492.40 : x
  2. Step 2: Convert to fraction form
    2,540.34/3,505.60 = 1,492.40/x
  3. Step 3: Cross multiply
    2,540.34x = 3,505.60 × 1,492.40
  4. Step 4: Simplify right side
    2,540.34x = 5,231,757.44
  5. Step 5: Solve for x
    x = 5,231,757.44/2,540.34
  6. Step 6: Final answer
    x = 2,059.47

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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.