Home / 3,811.92-5,259.24-2,632.56

Finding the Fourth Proportional to 3,811.92, 5,259.24 and 2,632.56

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Solution

The fourth proportional to 3,811.92, 5,259.24 and 2,632.56 is: 3,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.92 : 5,259.24 = 2,632.56 : x
  2. Step 2: Convert to fraction form
    3,811.92/5,259.24 = 2,632.56/x
  3. Step 3: Cross multiply
    3,811.92x = 5,259.24 × 2,632.56
  4. Step 4: Simplify right side
    3,811.92x = 13,845,264.85
  5. Step 5: Solve for x
    x = 13,845,264.85/3,811.92
  6. Step 6: Final answer
    x = 3,632.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.