Home / 3,240.82-4,861.57-1,160.52

Finding the Fourth Proportional to 3,240.82, 4,861.57 and 1,160.52

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Solution

The fourth proportional to 3,240.82, 4,861.57 and 1,160.52 is: 1,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.82 : 4,861.57 = 1,160.52 : x
  2. Step 2: Convert to fraction form
    3,240.82/4,861.57 = 1,160.52/x
  3. Step 3: Cross multiply
    3,240.82x = 4,861.57 × 1,160.52
  4. Step 4: Simplify right side
    3,240.82x = 5,641,924.91
  5. Step 5: Solve for x
    x = 5,641,924.91/3,240.82
  6. Step 6: Final answer
    x = 1,740.89

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1.5x scale

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.