Home / 3,412.26-5,116.77-1,332.18

Finding the Fourth Proportional to 3,412.26, 5,116.77 and 1,332.18

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Solution

The fourth proportional to 3,412.26, 5,116.77 and 1,332.18 is: 1,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.26 : 5,116.77 = 1,332.18 : x
  2. Step 2: Convert to fraction form
    3,412.26/5,116.77 = 1,332.18/x
  3. Step 3: Cross multiply
    3,412.26x = 5,116.77 × 1,332.18
  4. Step 4: Simplify right side
    3,412.26x = 6,816,458.66
  5. Step 5: Solve for x
    x = 6,816,458.66/3,412.26
  6. Step 6: Final answer
    x = 1,997.64

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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.