Home / 3,608.23-5,412.35-1,661.80

Finding the Fourth Proportional to 3,608.23, 5,412.35 and 1,661.80

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Solution

The fourth proportional to 3,608.23, 5,412.35 and 1,661.80 is: 2,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.23 : 5,412.35 = 1,661.80 : x
  2. Step 2: Convert to fraction form
    3,608.23/5,412.35 = 1,661.80/x
  3. Step 3: Cross multiply
    3,608.23x = 5,412.35 × 1,661.80
  4. Step 4: Simplify right side
    3,608.23x = 8,994,243.23
  5. Step 5: Solve for x
    x = 8,994,243.23/3,608.23
  6. Step 6: Final answer
    x = 2,492.70

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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.