Home / 3,783.24-5,674.68-2,320.20

Finding the Fourth Proportional to 3,783.24, 5,674.68 and 2,320.20

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Solution

The fourth proportional to 3,783.24, 5,674.68 and 2,320.20 is: 3,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.24 : 5,674.68 = 2,320.20 : x
  2. Step 2: Convert to fraction form
    3,783.24/5,674.68 = 2,320.20/x
  3. Step 3: Cross multiply
    3,783.24x = 5,674.68 × 2,320.20
  4. Step 4: Simplify right side
    3,783.24x = 13,166,392.54
  5. Step 5: Solve for x
    x = 13,166,392.54/3,783.24
  6. Step 6: Final answer
    x = 3,480.19

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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.