Home / 3,620.04-5,426.31-1,647.03

Finding the Fourth Proportional to 3,620.04, 5,426.31 and 1,647.03

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Solution

The fourth proportional to 3,620.04, 5,426.31 and 1,647.03 is: 2,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.04 : 5,426.31 = 1,647.03 : x
  2. Step 2: Convert to fraction form
    3,620.04/5,426.31 = 1,647.03/x
  3. Step 3: Cross multiply
    3,620.04x = 5,426.31 × 1,647.03
  4. Step 4: Simplify right side
    3,620.04x = 8,937,295.36
  5. Step 5: Solve for x
    x = 8,937,295.36/3,620.04
  6. Step 6: Final answer
    x = 2,468.84

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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.