Home / 2,782.26-4,173.62-933.39

Finding the Fourth Proportional to 2,782.26, 4,173.62 and 933.39

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Solution

The fourth proportional to 2,782.26, 4,173.62 and 933.39 is: 1,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.26 : 4,173.62 = 933.39 : x
  2. Step 2: Convert to fraction form
    2,782.26/4,173.62 = 933.39/x
  3. Step 3: Cross multiply
    2,782.26x = 4,173.62 × 933.39
  4. Step 4: Simplify right side
    2,782.26x = 3,895,610.50
  5. Step 5: Solve for x
    x = 3,895,610.50/2,782.26
  6. Step 6: Final answer
    x = 1,400.16

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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.