Home / 1,629.29-2,444.10-459.29

Finding the Fourth Proportional to 1,629.29, 2,444.10 and 459.29

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Solution

The fourth proportional to 1,629.29, 2,444.10 and 459.29 is: 688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.29 : 2,444.10 = 459.29 : x
  2. Step 2: Convert to fraction form
    1,629.29/2,444.10 = 459.29/x
  3. Step 3: Cross multiply
    1,629.29x = 2,444.10 × 459.29
  4. Step 4: Simplify right side
    1,629.29x = 1,122,556.80
  5. Step 5: Solve for x
    x = 1,122,556.80/1,629.29
  6. Step 6: Final answer
    x = 688.98

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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.