Home / 3,240.45-4,861.26-1,294.02

Finding the Fourth Proportional to 3,240.45, 4,861.26 and 1,294.02

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Solution

The fourth proportional to 3,240.45, 4,861.26 and 1,294.02 is: 1,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.45 : 4,861.26 = 1,294.02 : x
  2. Step 2: Convert to fraction form
    3,240.45/4,861.26 = 1,294.02/x
  3. Step 3: Cross multiply
    3,240.45x = 4,861.26 × 1,294.02
  4. Step 4: Simplify right side
    3,240.45x = 6,290,567.67
  5. Step 5: Solve for x
    x = 6,290,567.67/3,240.45
  6. Step 6: Final answer
    x = 1,941.26

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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.