Home / 3,497.82-5,247.23-1,276.80

Finding the Fourth Proportional to 3,497.82, 5,247.23 and 1,276.80

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Solution

The fourth proportional to 3,497.82, 5,247.23 and 1,276.80 is: 1,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.82 : 5,247.23 = 1,276.80 : x
  2. Step 2: Convert to fraction form
    3,497.82/5,247.23 = 1,276.80/x
  3. Step 3: Cross multiply
    3,497.82x = 5,247.23 × 1,276.80
  4. Step 4: Simplify right side
    3,497.82x = 6,699,663.26
  5. Step 5: Solve for x
    x = 6,699,663.26/3,497.82
  6. Step 6: Final answer
    x = 1,915.38

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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.