Home / 3,668.12-5,498.80-1,327.58

Finding the Fourth Proportional to 3,668.12, 5,498.80 and 1,327.58

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Solution

The fourth proportional to 3,668.12, 5,498.80 and 1,327.58 is: 1,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.12 : 5,498.80 = 1,327.58 : x
  2. Step 2: Convert to fraction form
    3,668.12/5,498.80 = 1,327.58/x
  3. Step 3: Cross multiply
    3,668.12x = 5,498.80 × 1,327.58
  4. Step 4: Simplify right side
    3,668.12x = 7,300,066.09
  5. Step 5: Solve for x
    x = 7,300,066.09/3,668.12
  6. Step 6: Final answer
    x = 1,990.14

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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.