Home / 3,632.50-5,451.18-2,665.36

Finding the Fourth Proportional to 3,632.50, 5,451.18 and 2,665.36

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Solution

The fourth proportional to 3,632.50, 5,451.18 and 2,665.36 is: 3,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.50 : 5,451.18 = 2,665.36 : x
  2. Step 2: Convert to fraction form
    3,632.50/5,451.18 = 2,665.36/x
  3. Step 3: Cross multiply
    3,632.50x = 5,451.18 × 2,665.36
  4. Step 4: Simplify right side
    3,632.50x = 14,529,357.12
  5. Step 5: Solve for x
    x = 14,529,357.12/3,632.50
  6. Step 6: Final answer
    x = 3,999.82

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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.