Home / 1,623.08-2,433.64-1,103.72

Finding the Fourth Proportional to 1,623.08, 2,433.64 and 1,103.72

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Solution

The fourth proportional to 1,623.08, 2,433.64 and 1,103.72 is: 1,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.08 : 2,433.64 = 1,103.72 : x
  2. Step 2: Convert to fraction form
    1,623.08/2,433.64 = 1,103.72/x
  3. Step 3: Cross multiply
    1,623.08x = 2,433.64 × 1,103.72
  4. Step 4: Simplify right side
    1,623.08x = 2,686,057.14
  5. Step 5: Solve for x
    x = 2,686,057.14/1,623.08
  6. Step 6: Final answer
    x = 1,654.91

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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.