Home / 3,109.93-4,286.67-2,436.57

Finding the Fourth Proportional to 3,109.93, 4,286.67 and 2,436.57

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Solution

The fourth proportional to 3,109.93, 4,286.67 and 2,436.57 is: 3,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.93 : 4,286.67 = 2,436.57 : x
  2. Step 2: Convert to fraction form
    3,109.93/4,286.67 = 2,436.57/x
  3. Step 3: Cross multiply
    3,109.93x = 4,286.67 × 2,436.57
  4. Step 4: Simplify right side
    3,109.93x = 10,444,771.52
  5. Step 5: Solve for x
    x = 10,444,771.52/3,109.93
  6. Step 6: Final answer
    x = 3,358.52

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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.