Home / 3,209.25-4,816.05-1,157.25

Finding the Fourth Proportional to 3,209.25, 4,816.05 and 1,157.25

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Solution

The fourth proportional to 3,209.25, 4,816.05 and 1,157.25 is: 1,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.25 : 4,816.05 = 1,157.25 : x
  2. Step 2: Convert to fraction form
    3,209.25/4,816.05 = 1,157.25/x
  3. Step 3: Cross multiply
    3,209.25x = 4,816.05 × 1,157.25
  4. Step 4: Simplify right side
    3,209.25x = 5,573,373.86
  5. Step 5: Solve for x
    x = 5,573,373.86/3,209.25
  6. Step 6: Final answer
    x = 1,736.66

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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.