Home / 3,616.90-5,425.75-1,151.14

Finding the Fourth Proportional to 3,616.90, 5,425.75 and 1,151.14

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Solution

The fourth proportional to 3,616.90, 5,425.75 and 1,151.14 is: 1,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.90 : 5,425.75 = 1,151.14 : x
  2. Step 2: Convert to fraction form
    3,616.90/5,425.75 = 1,151.14/x
  3. Step 3: Cross multiply
    3,616.90x = 5,425.75 × 1,151.14
  4. Step 4: Simplify right side
    3,616.90x = 6,245,814.09
  5. Step 5: Solve for x
    x = 6,245,814.09/3,616.90
  6. Step 6: Final answer
    x = 1,726.84

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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.