Home / 3,783.94-5,670.66-2,858.74

Finding the Fourth Proportional to 3,783.94, 5,670.66 and 2,858.74

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Solution

The fourth proportional to 3,783.94, 5,670.66 and 2,858.74 is: 4,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.94 : 5,670.66 = 2,858.74 : x
  2. Step 2: Convert to fraction form
    3,783.94/5,670.66 = 2,858.74/x
  3. Step 3: Cross multiply
    3,783.94x = 5,670.66 × 2,858.74
  4. Step 4: Simplify right side
    3,783.94x = 16,210,942.57
  5. Step 5: Solve for x
    x = 16,210,942.57/3,783.94
  6. Step 6: Final answer
    x = 4,284.14

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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.