Home / 3,635.04-5,453.28-1,326.72

Finding the Fourth Proportional to 3,635.04, 5,453.28 and 1,326.72

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Solution

The fourth proportional to 3,635.04, 5,453.28 and 1,326.72 is: 1,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.04 : 5,453.28 = 1,326.72 : x
  2. Step 2: Convert to fraction form
    3,635.04/5,453.28 = 1,326.72/x
  3. Step 3: Cross multiply
    3,635.04x = 5,453.28 × 1,326.72
  4. Step 4: Simplify right side
    3,635.04x = 7,234,975.64
  5. Step 5: Solve for x
    x = 7,234,975.64/3,635.04
  6. Step 6: Final answer
    x = 1,990.34

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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.