Home / 2,975.25-4,107.57-2,277.93

Finding the Fourth Proportional to 2,975.25, 4,107.57 and 2,277.93

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Solution

The fourth proportional to 2,975.25, 4,107.57 and 2,277.93 is: 3,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.25 : 4,107.57 = 2,277.93 : x
  2. Step 2: Convert to fraction form
    2,975.25/4,107.57 = 2,277.93/x
  3. Step 3: Cross multiply
    2,975.25x = 4,107.57 × 2,277.93
  4. Step 4: Simplify right side
    2,975.25x = 9,356,756.93
  5. Step 5: Solve for x
    x = 9,356,756.93/2,975.25
  6. Step 6: Final answer
    x = 3,144.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.