Home / 2,850.39-4,277.70-2,157.93

Finding the Fourth Proportional to 2,850.39, 4,277.70 and 2,157.93

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Solution

The fourth proportional to 2,850.39, 4,277.70 and 2,157.93 is: 3,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.39 : 4,277.70 = 2,157.93 : x
  2. Step 2: Convert to fraction form
    2,850.39/4,277.70 = 2,157.93/x
  3. Step 3: Cross multiply
    2,850.39x = 4,277.70 × 2,157.93
  4. Step 4: Simplify right side
    2,850.39x = 9,230,977.16
  5. Step 5: Solve for x
    x = 9,230,977.16/2,850.39
  6. Step 6: Final answer
    x = 3,238.50

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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.