Home / 3,505.12-5,257.76-1,196.80

Finding the Fourth Proportional to 3,505.12, 5,257.76 and 1,196.80

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Solution

The fourth proportional to 3,505.12, 5,257.76 and 1,196.80 is: 1,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.12 : 5,257.76 = 1,196.80 : x
  2. Step 2: Convert to fraction form
    3,505.12/5,257.76 = 1,196.80/x
  3. Step 3: Cross multiply
    3,505.12x = 5,257.76 × 1,196.80
  4. Step 4: Simplify right side
    3,505.12x = 6,292,487.17
  5. Step 5: Solve for x
    x = 6,292,487.17/3,505.12
  6. Step 6: Final answer
    x = 1,795.23

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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.