Home / 3,631.68-5,004.72-2,635.92

Finding the Fourth Proportional to 3,631.68, 5,004.72 and 2,635.92

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Solution

The fourth proportional to 3,631.68, 5,004.72 and 2,635.92 is: 3,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.68 : 5,004.72 = 2,635.92 : x
  2. Step 2: Convert to fraction form
    3,631.68/5,004.72 = 2,635.92/x
  3. Step 3: Cross multiply
    3,631.68x = 5,004.72 × 2,635.92
  4. Step 4: Simplify right side
    3,631.68x = 13,192,041.54
  5. Step 5: Solve for x
    x = 13,192,041.54/3,631.68
  6. Step 6: Final answer
    x = 3,632.49

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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.