Home / 1,629.24-2,443.96-655.34

Finding the Fourth Proportional to 1,629.24, 2,443.96 and 655.34

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Solution

The fourth proportional to 1,629.24, 2,443.96 and 655.34 is: 983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.24 : 2,443.96 = 655.34 : x
  2. Step 2: Convert to fraction form
    1,629.24/2,443.96 = 655.34/x
  3. Step 3: Cross multiply
    1,629.24x = 2,443.96 × 655.34
  4. Step 4: Simplify right side
    1,629.24x = 1,601,624.75
  5. Step 5: Solve for x
    x = 1,601,624.75/1,629.24
  6. Step 6: Final answer
    x = 983.05

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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.