Home / 3,727.80-5,591.70-2,430.36

Finding the Fourth Proportional to 3,727.80, 5,591.70 and 2,430.36

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Solution

The fourth proportional to 3,727.80, 5,591.70 and 2,430.36 is: 3,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.80 : 5,591.70 = 2,430.36 : x
  2. Step 2: Convert to fraction form
    3,727.80/5,591.70 = 2,430.36/x
  3. Step 3: Cross multiply
    3,727.80x = 5,591.70 × 2,430.36
  4. Step 4: Simplify right side
    3,727.80x = 13,589,844.01
  5. Step 5: Solve for x
    x = 13,589,844.01/3,727.80
  6. Step 6: Final answer
    x = 3,645.54

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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.