Home / 3,133.86-4,322.79-2,014.38

Finding the Fourth Proportional to 3,133.86, 4,322.79 and 2,014.38

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Solution

The fourth proportional to 3,133.86, 4,322.79 and 2,014.38 is: 2,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.86 : 4,322.79 = 2,014.38 : x
  2. Step 2: Convert to fraction form
    3,133.86/4,322.79 = 2,014.38/x
  3. Step 3: Cross multiply
    3,133.86x = 4,322.79 × 2,014.38
  4. Step 4: Simplify right side
    3,133.86x = 8,707,741.72
  5. Step 5: Solve for x
    x = 8,707,741.72/3,133.86
  6. Step 6: Final answer
    x = 2,778.60

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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.