Home / 3,125.25-4,687.83-933.93

Finding the Fourth Proportional to 3,125.25, 4,687.83 and 933.93

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Solution

The fourth proportional to 3,125.25, 4,687.83 and 933.93 is: 1,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.25 : 4,687.83 = 933.93 : x
  2. Step 2: Convert to fraction form
    3,125.25/4,687.83 = 933.93/x
  3. Step 3: Cross multiply
    3,125.25x = 4,687.83 × 933.93
  4. Step 4: Simplify right side
    3,125.25x = 4,378,105.07
  5. Step 5: Solve for x
    x = 4,378,105.07/3,125.25
  6. Step 6: Final answer
    x = 1,400.88

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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.