Home / 3,767.85-5,628.84-2,440.79

Finding the Fourth Proportional to 3,767.85, 5,628.84 and 2,440.79

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Solution

The fourth proportional to 3,767.85, 5,628.84 and 2,440.79 is: 3,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.85 : 5,628.84 = 2,440.79 : x
  2. Step 2: Convert to fraction form
    3,767.85/5,628.84 = 2,440.79/x
  3. Step 3: Cross multiply
    3,767.85x = 5,628.84 × 2,440.79
  4. Step 4: Simplify right side
    3,767.85x = 13,738,816.38
  5. Step 5: Solve for x
    x = 13,738,816.38/3,767.85
  6. Step 6: Final answer
    x = 3,646.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.