Home / 3,744.80-5,618.07-1,112.25

Finding the Fourth Proportional to 3,744.80, 5,618.07 and 1,112.25

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Solution

The fourth proportional to 3,744.80, 5,618.07 and 1,112.25 is: 1,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.80 : 5,618.07 = 1,112.25 : x
  2. Step 2: Convert to fraction form
    3,744.80/5,618.07 = 1,112.25/x
  3. Step 3: Cross multiply
    3,744.80x = 5,618.07 × 1,112.25
  4. Step 4: Simplify right side
    3,744.80x = 6,248,678.75
  5. Step 5: Solve for x
    x = 6,248,678.75/3,744.80
  6. Step 6: Final answer
    x = 1,668.63

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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.