Home / 3,374.10-5,057.55-1,293.30

Finding the Fourth Proportional to 3,374.10, 5,057.55 and 1,293.30

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Solution

The fourth proportional to 3,374.10, 5,057.55 and 1,293.30 is: 1,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.10 : 5,057.55 = 1,293.30 : x
  2. Step 2: Convert to fraction form
    3,374.10/5,057.55 = 1,293.30/x
  3. Step 3: Cross multiply
    3,374.10x = 5,057.55 × 1,293.30
  4. Step 4: Simplify right side
    3,374.10x = 6,540,929.42
  5. Step 5: Solve for x
    x = 6,540,929.42/3,374.10
  6. Step 6: Final answer
    x = 1,938.57

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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.