Home / 1,629.80-2,444.93-936.35

Finding the Fourth Proportional to 1,629.80, 2,444.93 and 936.35

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Solution

The fourth proportional to 1,629.80, 2,444.93 and 936.35 is: 1,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.80 : 2,444.93 = 936.35 : x
  2. Step 2: Convert to fraction form
    1,629.80/2,444.93 = 936.35/x
  3. Step 3: Cross multiply
    1,629.80x = 2,444.93 × 936.35
  4. Step 4: Simplify right side
    1,629.80x = 2,289,310.21
  5. Step 5: Solve for x
    x = 2,289,310.21/1,629.80
  6. Step 6: Final answer
    x = 1,404.66

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1.5x scale

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.