Home / 3,946.13-5,919.80-1,173.07

Finding the Fourth Proportional to 3,946.13, 5,919.80 and 1,173.07

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Solution

The fourth proportional to 3,946.13, 5,919.80 and 1,173.07 is: 1,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.13 : 5,919.80 = 1,173.07 : x
  2. Step 2: Convert to fraction form
    3,946.13/5,919.80 = 1,173.07/x
  3. Step 3: Cross multiply
    3,946.13x = 5,919.80 × 1,173.07
  4. Step 4: Simplify right side
    3,946.13x = 6,944,319.12
  5. Step 5: Solve for x
    x = 6,944,319.12/3,946.13
  6. Step 6: Final answer
    x = 1,759.78

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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.