Home / 1,600.20-2,399.34-625.14

Finding the Fourth Proportional to 1,600.20, 2,399.34 and 625.14

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Solution

The fourth proportional to 1,600.20, 2,399.34 and 625.14 is: 937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.20 : 2,399.34 = 625.14 : x
  2. Step 2: Convert to fraction form
    1,600.20/2,399.34 = 625.14/x
  3. Step 3: Cross multiply
    1,600.20x = 2,399.34 × 625.14
  4. Step 4: Simplify right side
    1,600.20x = 1,499,923.41
  5. Step 5: Solve for x
    x = 1,499,923.41/1,600.20
  6. Step 6: Final answer
    x = 937.33

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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.